20420424

素因数分解:

$2^3\times 3^4\times {\mathrm{31513}}^1$

素因数の和:31531

約数の個数: 40

約数和(自身を含む): 57197910

約数和(自身を除く): 36777486

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31513, 63026, 94539, 126052, 189078, 252104, 283617, 378156, 567234, 756312, 850851, 1134468, 1701702, 2268936, 2552553, 3403404, 5105106, 6806808, 10210212, 20420424]

約数ペア:

[(1, 20420424), (2, 10210212), (3, 6806808), (4, 5105106), (6, 3403404), (8, 2552553), (9, 2268936), (12, 1701702), (18, 1134468), (24, 850851), (27, 756312), (36, 567234), (54, 378156), (72, 283617), (81, 252104), (108, 189078), (162, 126052), (216, 94539), (324, 63026), (648, 31513)]