20215844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{14821}}^1$

素因数の和:14867

約数の個数: 24

約数和(自身を含む): 39841536

約数和(自身を除く): 19625692

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 14821, 29642, 59284, 163031, 326062, 459451, 652124, 918902, 1837804, 5053961, 10107922, 20215844]

約数ペア:

[(1, 20215844), (2, 10107922), (4, 5053961), (11, 1837804), (22, 918902), (31, 652124), (44, 459451), (62, 326062), (124, 163031), (341, 59284), (682, 29642), (1364, 14821)]