20656432

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24359}}^1$

素因数の和:24420

約数の個数: 20

約数和(自身を含む): 40778640

約数和(自身を除く): 20122208

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24359, 48718, 97436, 194872, 389744, 1291027, 2582054, 5164108, 10328216, 20656432]

約数ペア:

[(1, 20656432), (2, 10328216), (4, 5164108), (8, 2582054), (16, 1291027), (53, 389744), (106, 194872), (212, 97436), (424, 48718), (848, 24359)]