20161937168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74124769}}^1$

素因数の和:74124794

約数の個数: 20

約数和(自身を含む): 41361621660

約数和(自身を除く): 21199684492

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74124769, 148249538, 296499076, 592998152, 1185996304, 1260121073, 2520242146, 5040484292, 10080968584, 20161937168]

約数ペア:

[(1, 20161937168), (2, 10080968584), (4, 5040484292), (8, 2520242146), (16, 1260121073), (17, 1185996304), (34, 592998152), (68, 296499076), (136, 148249538), (272, 74124769)]