20076220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32381}}^1$

素因数の和:32421

約数の個数: 24

約数和(自身を含む): 43521408

約数和(自身を除く): 23445188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32381, 64762, 129524, 161905, 323810, 647620, 1003811, 2007622, 4015244, 5019055, 10038110, 20076220]

約数ペア:

[(1, 20076220), (2, 10038110), (4, 5019055), (5, 4015244), (10, 2007622), (20, 1003811), (31, 647620), (62, 323810), (124, 161905), (155, 129524), (310, 64762), (620, 32381)]