20895621

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 28662336

約数和(自身を除く): 7766715

約数列:

[1, 3, 53, 113, 159, 339, 1163, 3489, 5989, 17967, 61639, 131419, 184917, 394257, 6965207, 20895621]

約数ペア:

[(1, 20895621), (3, 6965207), (53, 394257), (113, 184917), (159, 131419), (339, 61639), (1163, 17967), (3489, 5989)]