20155834920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12920407}}^1$

素因数の和:12920434

約数の個数: 64

約数和(自身を含む): 65118856320

約数和(自身を除く): 44963021400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12920407, 25840814, 38761221, 51681628, 64602035, 77522442, 103363256, 129204070, 155044884, 167965291, 193806105, 258408140, 310089768, 335930582, 387612210, 503895873, 516816280, 671861164, 775224420, 839826455, 1007791746, 1343722328, 1550448840, 1679652910, 2015583492, 2519479365, 3359305820, 4031166984, 5038958730, 6718611640, 10077917460, 20155834920]

約数ペア:

[(1, 20155834920), (2, 10077917460), (3, 6718611640), (4, 5038958730), (5, 4031166984), (6, 3359305820), (8, 2519479365), (10, 2015583492), (12, 1679652910), (13, 1550448840), (15, 1343722328), (20, 1007791746), (24, 839826455), (26, 775224420), (30, 671861164), (39, 516816280), (40, 503895873), (52, 387612210), (60, 335930582), (65, 310089768), (78, 258408140), (104, 193806105), (120, 167965291), (130, 155044884), (156, 129204070), (195, 103363256), (260, 77522442), (312, 64602035), (390, 51681628), (520, 38761221), (780, 25840814), (1560, 12920407)]