20006785890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26267}}^1$

素因数の和:26334

約数の個数: 256

約数和(自身を含む): 67784048640

約数和(自身を除く): 47777262750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 31, 35, 39, 42, 45, 54, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 135, 155, 182, 186, 189, 195, 210, 217, 234, 270, 273, 279, 310, 315, 351, 378, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 702, 806, 819, 837, 910, 930, 945, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1674, 1755, 1890, 1953, 2015, 2170, 2418, 2457, 2730, 2790, 2821, 3255, 3510, 3627, 3906, 4030, 4095, 4185, 4914, 5642, 5859, 6045, 6510, 7254, 8190, 8370, 8463, 9765, 10881, 11718, 12090, 12285, 14105, 16926, 18135, 19530, 21762, 24570, 25389, 26267, 28210, 29295, 36270, 42315, 50778, 52534, 54405, 58590, 76167, 78801, 84630, 108810, 126945, 131335, 152334, 157602, 183869, 236403, 253890, 262670, 341471, 367738, 380835, 394005, 472806, 551607, 682942, 709209, 761670, 788010, 814277, 919345, 1024413, 1103214, 1182015, 1418418, 1628554, 1654821, 1707355, 1838690, 2048826, 2364030, 2390297, 2442831, 2758035, 3073239, 3309642, 3414710, 3546045, 4071385, 4780594, 4885662, 4964463, 5122065, 5516070, 5699939, 6146478, 7092090, 7170891, 7328493, 8142770, 8274105, 9219717, 9928926, 10244130, 10585601, 11399878, 11951485, 12214155, 14341782, 14656986, 15366195, 16548210, 17099817, 18439434, 21171202, 21512673, 21985479, 23902970, 24428310, 24822315, 28499695, 30732390, 31756803, 34199634, 35854455, 36642465, 43025346, 43970958, 46098585, 49644630, 51299451, 52928005, 56999390, 63513606, 64538019, 71708910, 73284930, 74099207, 85499085, 92197170, 95270409, 102598902, 105856010, 107563365, 109927395, 129076038, 148198414, 153898353, 158784015, 170998170, 190540818, 215126730, 219854790, 222297621, 256497255, 285811227, 307796706, 317568030, 322690095, 370496035, 444595242, 476352045, 512994510, 571622454, 645380190, 666892863, 740992070, 769491765, 952704090, 1111488105, 1333785726, 1429056135, 1538983530, 2000678589, 2222976210, 2858112270, 3334464315, 4001357178, 6668928630, 10003392945, 20006785890]

約数ペア:

[(1, 20006785890), (2, 10003392945), (3, 6668928630), (5, 4001357178), (6, 3334464315), (7, 2858112270), (9, 2222976210), (10, 2000678589), (13, 1538983530), (14, 1429056135), (15, 1333785726), (18, 1111488105), (21, 952704090), (26, 769491765), (27, 740992070), (30, 666892863), (31, 645380190), (35, 571622454), (39, 512994510), (42, 476352045), (45, 444595242), (54, 370496035), (62, 322690095), (63, 317568030), (65, 307796706), (70, 285811227), (78, 256497255), (90, 222297621), (91, 219854790), (93, 215126730), (105, 190540818), (117, 170998170), (126, 158784015), (130, 153898353), (135, 148198414), (155, 129076038), (182, 109927395), (186, 107563365), (189, 105856010), (195, 102598902), (210, 95270409), (217, 92197170), (234, 85499085), (270, 74099207), (273, 73284930), (279, 71708910), (310, 64538019), (315, 63513606), (351, 56999390), (378, 52928005), (390, 51299451), (403, 49644630), (434, 46098585), (455, 43970958), (465, 43025346), (546, 36642465), (558, 35854455), (585, 34199634), (630, 31756803), (651, 30732390), (702, 28499695), (806, 24822315), (819, 24428310), (837, 23902970), (910, 21985479), (930, 21512673), (945, 21171202), (1085, 18439434), (1170, 17099817), (1209, 16548210), (1302, 15366195), (1365, 14656986), (1395, 14341782), (1638, 12214155), (1674, 11951485), (1755, 11399878), (1890, 10585601), (1953, 10244130), (2015, 9928926), (2170, 9219717), (2418, 8274105), (2457, 8142770), (2730, 7328493), (2790, 7170891), (2821, 7092090), (3255, 6146478), (3510, 5699939), (3627, 5516070), (3906, 5122065), (4030, 4964463), (4095, 4885662), (4185, 4780594), (4914, 4071385), (5642, 3546045), (5859, 3414710), (6045, 3309642), (6510, 3073239), (7254, 2758035), (8190, 2442831), (8370, 2390297), (8463, 2364030), (9765, 2048826), (10881, 1838690), (11718, 1707355), (12090, 1654821), (12285, 1628554), (14105, 1418418), (16926, 1182015), (18135, 1103214), (19530, 1024413), (21762, 919345), (24570, 814277), (25389, 788010), (26267, 761670), (28210, 709209), (29295, 682942), (36270, 551607), (42315, 472806), (50778, 394005), (52534, 380835), (54405, 367738), (58590, 341471), (76167, 262670), (78801, 253890), (84630, 236403), (108810, 183869), (126945, 157602), (131335, 152334)]