20913778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7177}}^1$

素因数の和:7257

約数の個数: 16

約数和(自身を含む): 33076224

約数和(自身を除く): 12162446

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 7177, 14354, 222487, 337319, 444974, 674638, 10456889, 20913778]

約数ペア:

[(1, 20913778), (2, 10456889), (31, 674638), (47, 444974), (62, 337319), (94, 222487), (1457, 14354), (2914, 7177)]