20657227

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 22604832

約数和(自身を除く): 1947605

約数列:

[1, 17, 53, 101, 227, 901, 1717, 3859, 5353, 12031, 22927, 91001, 204527, 389759, 1215131, 20657227]

約数ペア:

[(1, 20657227), (17, 1215131), (53, 389759), (101, 204527), (227, 91001), (901, 22927), (1717, 12031), (3859, 5353)]