20210276

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{733}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 36315384

約数和(自身を除く): 16105108

約数列:

[1, 2, 4, 61, 113, 122, 226, 244, 452, 733, 1466, 2932, 6893, 13786, 27572, 44713, 82829, 89426, 165658, 178852, 331316, 5052569, 10105138, 20210276]

約数ペア:

[(1, 20210276), (2, 10105138), (4, 5052569), (61, 331316), (113, 178852), (122, 165658), (226, 89426), (244, 82829), (452, 44713), (733, 27572), (1466, 13786), (2932, 6893)]