20055388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 36457344

約数和(自身を除く): 16401956

約数列:

[1, 2, 4, 31, 62, 124, 197, 394, 788, 821, 1642, 3284, 6107, 12214, 24428, 25451, 50902, 101804, 161737, 323474, 646948, 5013847, 10027694, 20055388]

約数ペア:

[(1, 20055388), (2, 10027694), (4, 5013847), (31, 646948), (62, 323474), (124, 161737), (197, 101804), (394, 50902), (788, 25451), (821, 24428), (1642, 12214), (3284, 6107)]