20155834940

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1\times {\mathrm{11887}}^1$

素因数の和:12614

約数の個数: 48

約数和(自身を含む): 42689808000

約数和(自身を除く): 22533973060

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 569, 596, 745, 1138, 1490, 2276, 2845, 2980, 5690, 11380, 11887, 23774, 47548, 59435, 84781, 118870, 169562, 237740, 339124, 423905, 847810, 1695620, 1771163, 3542326, 6763703, 7084652, 8855815, 13527406, 17711630, 27054812, 33818515, 35423260, 67637030, 135274060, 1007791747, 2015583494, 4031166988, 5038958735, 10077917470, 20155834940]

約数ペア:

[(1, 20155834940), (2, 10077917470), (4, 5038958735), (5, 4031166988), (10, 2015583494), (20, 1007791747), (149, 135274060), (298, 67637030), (569, 35423260), (596, 33818515), (745, 27054812), (1138, 17711630), (1490, 13527406), (2276, 8855815), (2845, 7084652), (2980, 6763703), (5690, 3542326), (11380, 1771163), (11887, 1695620), (23774, 847810), (47548, 423905), (59435, 339124), (84781, 237740), (118870, 169562)]