20172953640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{774691}}^1$

素因数の和:774743

約数の個数: 128

約数和(自身を含む): 71395614720

約数和(自身を除く): 51222661080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 774691, 1549382, 2324073, 3098764, 3873455, 4648146, 5422837, 6197528, 7746910, 9296292, 10845674, 11620365, 15493820, 16268511, 18592584, 21691348, 23240730, 24015421, 27114185, 30987640, 32537022, 43382696, 46481460, 48030842, 54228370, 65074044, 72046263, 81342555, 92962920, 96061684, 108456740, 120077105, 130148088, 144092526, 162685110, 168107947, 192123368, 216913480, 240154210, 288185052, 325370220, 336215894, 360231315, 480308420, 504323841, 576370104, 650740440, 672431788, 720462630, 840539735, 960616840, 1008647682, 1344863576, 1440925260, 1681079470, 2017295364, 2521619205, 2881850520, 3362158940, 4034590728, 5043238410, 6724317880, 10086476820, 20172953640]

約数ペア:

[(1, 20172953640), (2, 10086476820), (3, 6724317880), (4, 5043238410), (5, 4034590728), (6, 3362158940), (7, 2881850520), (8, 2521619205), (10, 2017295364), (12, 1681079470), (14, 1440925260), (15, 1344863576), (20, 1008647682), (21, 960616840), (24, 840539735), (28, 720462630), (30, 672431788), (31, 650740440), (35, 576370104), (40, 504323841), (42, 480308420), (56, 360231315), (60, 336215894), (62, 325370220), (70, 288185052), (84, 240154210), (93, 216913480), (105, 192123368), (120, 168107947), (124, 162685110), (140, 144092526), (155, 130148088), (168, 120077105), (186, 108456740), (210, 96061684), (217, 92962920), (248, 81342555), (280, 72046263), (310, 65074044), (372, 54228370), (420, 48030842), (434, 46481460), (465, 43382696), (620, 32537022), (651, 30987640), (744, 27114185), (840, 24015421), (868, 23240730), (930, 21691348), (1085, 18592584), (1240, 16268511), (1302, 15493820), (1736, 11620365), (1860, 10845674), (2170, 9296292), (2604, 7746910), (3255, 6197528), (3720, 5422837), (4340, 4648146), (5208, 3873455), (6510, 3098764), (8680, 2324073), (13020, 1549382), (26040, 774691)]