20279198

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4003}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 32432400

約数和(自身を除く): 12153202

約数列:

[1, 2, 17, 34, 149, 298, 2533, 4003, 5066, 8006, 68051, 136102, 596447, 1192894, 10139599, 20279198]

約数ペア:

[(1, 20279198), (2, 10139599), (17, 1192894), (34, 596447), (149, 136102), (298, 68051), (2533, 8006), (4003, 5066)]