20918789580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:897

約数の個数: 288

約数和(自身を含む): 66029257728

約数和(自身を除く): 45110468148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 67, 78, 82, 123, 130, 134, 156, 164, 169, 195, 201, 205, 246, 260, 268, 335, 338, 390, 402, 410, 492, 507, 533, 615, 670, 676, 751, 780, 804, 820, 845, 871, 1005, 1014, 1066, 1230, 1340, 1502, 1599, 1690, 1742, 2010, 2028, 2132, 2253, 2460, 2535, 2613, 2665, 2747, 3004, 3198, 3380, 3484, 3755, 4020, 4355, 4506, 5070, 5226, 5330, 5494, 6396, 6929, 7510, 7995, 8241, 8710, 9012, 9763, 10140, 10452, 10660, 10988, 11265, 11323, 13065, 13735, 13858, 15020, 15990, 16482, 17420, 19526, 20787, 22530, 22646, 26130, 27470, 27716, 29289, 30791, 31980, 32964, 33969, 34645, 35711, 39052, 41205, 41574, 45060, 45292, 48815, 50317, 52260, 54940, 56615, 58578, 61582, 67938, 69290, 71422, 82410, 83148, 92373, 97630, 100634, 103935, 107133, 113230, 117156, 123164, 126919, 135876, 138580, 142844, 146445, 150951, 153955, 164820, 169845, 178555, 184746, 195260, 201268, 207870, 214266, 226460, 251585, 253838, 292890, 301902, 307910, 339690, 357110, 369492, 380757, 400283, 415740, 428532, 461865, 464243, 503170, 507676, 535665, 585780, 603804, 615820, 634595, 654121, 679380, 714220, 754755, 761514, 800566, 923730, 928486, 1006340, 1071330, 1200849, 1269190, 1308242, 1392729, 1509510, 1523028, 1601132, 1847460, 1856972, 1903785, 1962363, 2001415, 2062997, 2142660, 2321215, 2401698, 2538380, 2616484, 2785458, 3019020, 3270605, 3807570, 3924726, 4002830, 4125994, 4642430, 4803396, 5203679, 5570916, 6004245, 6188991, 6541210, 6963645, 7615140, 7849452, 8005660, 8251988, 8503573, 9284860, 9811815, 10314985, 10407358, 12008490, 12377982, 13082420, 13927290, 15611037, 17007146, 19623630, 20629970, 20814716, 24016980, 24755964, 25510719, 26018395, 26818961, 27854580, 30944955, 31222074, 34014292, 39247260, 41259940, 42517865, 51021438, 52036790, 53637922, 61889910, 62444148, 78055185, 80456883, 85035730, 102042876, 104073580, 107275844, 123779820, 127553595, 134094805, 156110370, 160913766, 170071460, 255107190, 268189610, 312220740, 321827532, 348646493, 402284415, 510214380, 536379220, 697292986, 804568830, 1045939479, 1394585972, 1609137660, 1743232465, 2091878958, 3486464930, 4183757916, 5229697395, 6972929860, 10459394790, 20918789580]

約数ペア:

[(1, 20918789580), (2, 10459394790), (3, 6972929860), (4, 5229697395), (5, 4183757916), (6, 3486464930), (10, 2091878958), (12, 1743232465), (13, 1609137660), (15, 1394585972), (20, 1045939479), (26, 804568830), (30, 697292986), (39, 536379220), (41, 510214380), (52, 402284415), (60, 348646493), (65, 321827532), (67, 312220740), (78, 268189610), (82, 255107190), (123, 170071460), (130, 160913766), (134, 156110370), (156, 134094805), (164, 127553595), (169, 123779820), (195, 107275844), (201, 104073580), (205, 102042876), (246, 85035730), (260, 80456883), (268, 78055185), (335, 62444148), (338, 61889910), (390, 53637922), (402, 52036790), (410, 51021438), (492, 42517865), (507, 41259940), (533, 39247260), (615, 34014292), (670, 31222074), (676, 30944955), (751, 27854580), (780, 26818961), (804, 26018395), (820, 25510719), (845, 24755964), (871, 24016980), (1005, 20814716), (1014, 20629970), (1066, 19623630), (1230, 17007146), (1340, 15611037), (1502, 13927290), (1599, 13082420), (1690, 12377982), (1742, 12008490), (2010, 10407358), (2028, 10314985), (2132, 9811815), (2253, 9284860), (2460, 8503573), (2535, 8251988), (2613, 8005660), (2665, 7849452), (2747, 7615140), (3004, 6963645), (3198, 6541210), (3380, 6188991), (3484, 6004245), (3755, 5570916), (4020, 5203679), (4355, 4803396), (4506, 4642430), (5070, 4125994), (5226, 4002830), (5330, 3924726), (5494, 3807570), (6396, 3270605), (6929, 3019020), (7510, 2785458), (7995, 2616484), (8241, 2538380), (8710, 2401698), (9012, 2321215), (9763, 2142660), (10140, 2062997), (10452, 2001415), (10660, 1962363), (10988, 1903785), (11265, 1856972), (11323, 1847460), (13065, 1601132), (13735, 1523028), (13858, 1509510), (15020, 1392729), (15990, 1308242), (16482, 1269190), (17420, 1200849), (19526, 1071330), (20787, 1006340), (22530, 928486), (22646, 923730), (26130, 800566), (27470, 761514), (27716, 754755), (29289, 714220), (30791, 679380), (31980, 654121), (32964, 634595), (33969, 615820), (34645, 603804), (35711, 585780), (39052, 535665), (41205, 507676), (41574, 503170), (45060, 464243), (45292, 461865), (48815, 428532), (50317, 415740), (52260, 400283), (54940, 380757), (56615, 369492), (58578, 357110), (61582, 339690), (67938, 307910), (69290, 301902), (71422, 292890), (82410, 253838), (83148, 251585), (92373, 226460), (97630, 214266), (100634, 207870), (103935, 201268), (107133, 195260), (113230, 184746), (117156, 178555), (123164, 169845), (126919, 164820), (135876, 153955), (138580, 150951), (142844, 146445)]