20257250520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{23567}}^1$

素因数の和:23642

約数の個数: 256

約数和(自身を含む): 71269632000

約数和(自身を除く): 51012381480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 29, 30, 38, 39, 40, 52, 57, 58, 60, 65, 76, 78, 87, 95, 104, 114, 116, 120, 130, 145, 152, 156, 174, 190, 195, 228, 232, 247, 260, 285, 290, 312, 348, 377, 380, 390, 435, 456, 494, 520, 551, 570, 580, 696, 741, 754, 760, 780, 870, 988, 1102, 1131, 1140, 1160, 1235, 1482, 1508, 1560, 1653, 1740, 1885, 1976, 2204, 2262, 2280, 2470, 2755, 2964, 3016, 3306, 3480, 3705, 3770, 4408, 4524, 4940, 5510, 5655, 5928, 6612, 7163, 7410, 7540, 8265, 9048, 9880, 11020, 11310, 13224, 14326, 14820, 15080, 16530, 21489, 22040, 22620, 23567, 28652, 29640, 33060, 35815, 42978, 45240, 47134, 57304, 66120, 70701, 71630, 85956, 94268, 107445, 117835, 141402, 143260, 171912, 188536, 214890, 235670, 282804, 286520, 306371, 353505, 429780, 447773, 471340, 565608, 612742, 683443, 707010, 859560, 895546, 919113, 942680, 1225484, 1343319, 1366886, 1414020, 1531855, 1791092, 1838226, 2050329, 2238865, 2450968, 2686638, 2733772, 2828040, 3063710, 3417215, 3582184, 3676452, 4100658, 4477730, 4595565, 5373276, 5467544, 5821049, 6127420, 6716595, 6834430, 7352904, 8201316, 8884759, 8955460, 9191130, 10251645, 10746552, 11642098, 12254840, 12985417, 13433190, 13668860, 16402632, 17463147, 17769518, 17910920, 18382260, 20503290, 23284196, 25970834, 26654277, 26866380, 27337720, 29105245, 34926294, 35539036, 36764520, 38956251, 41006580, 44423795, 46568392, 51941668, 53308554, 53732760, 58210490, 64927085, 69852588, 71078072, 77912502, 82013160, 87315735, 88847590, 103883336, 106617108, 116420980, 129854170, 133271385, 139705176, 155825004, 168810421, 174631470, 177695180, 194781255, 213234216, 232841960, 259708340, 266542770, 311650008, 337620842, 349262940, 355390360, 389562510, 506431263, 519416680, 533085540, 675241684, 698525880, 779125020, 844052105, 1012862526, 1066171080, 1350483368, 1558250040, 1688104210, 2025725052, 2532156315, 3376208420, 4051450104, 5064312630, 6752416840, 10128625260, 20257250520]

約数ペア:

[(1, 20257250520), (2, 10128625260), (3, 6752416840), (4, 5064312630), (5, 4051450104), (6, 3376208420), (8, 2532156315), (10, 2025725052), (12, 1688104210), (13, 1558250040), (15, 1350483368), (19, 1066171080), (20, 1012862526), (24, 844052105), (26, 779125020), (29, 698525880), (30, 675241684), (38, 533085540), (39, 519416680), (40, 506431263), (52, 389562510), (57, 355390360), (58, 349262940), (60, 337620842), (65, 311650008), (76, 266542770), (78, 259708340), (87, 232841960), (95, 213234216), (104, 194781255), (114, 177695180), (116, 174631470), (120, 168810421), (130, 155825004), (145, 139705176), (152, 133271385), (156, 129854170), (174, 116420980), (190, 106617108), (195, 103883336), (228, 88847590), (232, 87315735), (247, 82013160), (260, 77912502), (285, 71078072), (290, 69852588), (312, 64927085), (348, 58210490), (377, 53732760), (380, 53308554), (390, 51941668), (435, 46568392), (456, 44423795), (494, 41006580), (520, 38956251), (551, 36764520), (570, 35539036), (580, 34926294), (696, 29105245), (741, 27337720), (754, 26866380), (760, 26654277), (780, 25970834), (870, 23284196), (988, 20503290), (1102, 18382260), (1131, 17910920), (1140, 17769518), (1160, 17463147), (1235, 16402632), (1482, 13668860), (1508, 13433190), (1560, 12985417), (1653, 12254840), (1740, 11642098), (1885, 10746552), (1976, 10251645), (2204, 9191130), (2262, 8955460), (2280, 8884759), (2470, 8201316), (2755, 7352904), (2964, 6834430), (3016, 6716595), (3306, 6127420), (3480, 5821049), (3705, 5467544), (3770, 5373276), (4408, 4595565), (4524, 4477730), (4940, 4100658), (5510, 3676452), (5655, 3582184), (5928, 3417215), (6612, 3063710), (7163, 2828040), (7410, 2733772), (7540, 2686638), (8265, 2450968), (9048, 2238865), (9880, 2050329), (11020, 1838226), (11310, 1791092), (13224, 1531855), (14326, 1414020), (14820, 1366886), (15080, 1343319), (16530, 1225484), (21489, 942680), (22040, 919113), (22620, 895546), (23567, 859560), (28652, 707010), (29640, 683443), (33060, 612742), (35815, 565608), (42978, 471340), (45240, 447773), (47134, 429780), (57304, 353505), (66120, 306371), (70701, 286520), (71630, 282804), (85956, 235670), (94268, 214890), (107445, 188536), (117835, 171912), (141402, 143260)]