20175920144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74176177}}^1$

素因数の和:74176202

約数の個数: 20

約数和(自身を含む): 41390307324

約数和(自身を除く): 21214387180

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74176177, 148352354, 296704708, 593409416, 1186818832, 1260995009, 2521990018, 5043980036, 10087960072, 20175920144]

約数ペア:

[(1, 20175920144), (2, 10087960072), (4, 5043980036), (8, 2521990018), (16, 1260995009), (17, 1186818832), (34, 593409416), (68, 296704708), (136, 148352354), (272, 74176177)]