20216161

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 4148639

約数列:

[1, 7, 29, 53, 203, 371, 1537, 1879, 10759, 13153, 54491, 99587, 381437, 697109, 2888023, 20216161]

約数ペア:

[(1, 20216161), (7, 2888023), (29, 697109), (53, 381437), (203, 99587), (371, 54491), (1537, 13153), (1879, 10759)]