27355142020

素因数分解:

$2^2\times 5^1\times {\mathrm{106681}}^1\times {\mathrm{12821}}^1$

素因数の和:119511

約数の個数: 24

約数和(自身を含む): 57450817368

約数和(自身を除く): 30095675348

約数列:

[1, 2, 4, 5, 10, 20, 12821, 25642, 51284, 64105, 106681, 128210, 213362, 256420, 426724, 533405, 1066810, 2133620, 1367757101, 2735514202, 5471028404, 6838785505, 13677571010, 27355142020]

約数ペア:

[(1, 27355142020), (2, 13677571010), (4, 6838785505), (5, 5471028404), (10, 2735514202), (20, 1367757101), (12821, 2133620), (25642, 1066810), (51284, 533405), (64105, 426724), (106681, 256420), (128210, 213362)]