20121745820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8314771}}^1$

素因数の和:8314802

約数の個数: 36

約数和(自身を含む): 46446316392

約数和(自身を除く): 26324570572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8314771, 16629542, 33259084, 41573855, 83147710, 91462481, 166295420, 182924962, 365849924, 457312405, 914624810, 1006087291, 1829249620, 2012174582, 4024349164, 5030436455, 10060872910, 20121745820]

約数ペア:

[(1, 20121745820), (2, 10060872910), (4, 5030436455), (5, 4024349164), (10, 2012174582), (11, 1829249620), (20, 1006087291), (22, 914624810), (44, 457312405), (55, 365849924), (110, 182924962), (121, 166295420), (220, 91462481), (242, 83147710), (484, 41573855), (605, 33259084), (1210, 16629542), (2420, 8314771)]