20702336

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 41502780

約数和(自身を除く): 20800444

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 821, 1576, 1642, 3152, 3284, 6304, 6568, 12608, 13136, 25216, 26272, 52544, 105088, 161737, 323474, 646948, 1293896, 2587792, 5175584, 10351168, 20702336]

約数ペア:

[(1, 20702336), (2, 10351168), (4, 5175584), (8, 2587792), (16, 1293896), (32, 646948), (64, 323474), (128, 161737), (197, 105088), (394, 52544), (788, 26272), (821, 25216), (1576, 13136), (1642, 12608), (3152, 6568), (3284, 6304)]