20945336

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84457}}^1$

素因数の和:84494

約数の個数: 16

約数和(自身を含む): 40539840

約数和(自身を除く): 19594504

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84457, 168914, 337828, 675656, 2618167, 5236334, 10472668, 20945336]

約数ペア:

[(1, 20945336), (2, 10472668), (4, 5236334), (8, 2618167), (31, 675656), (62, 337828), (124, 168914), (248, 84457)]