20497316

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25243}}^1$

素因数の和:25283

約数の個数: 24

約数和(自身を含む): 42409920

約数和(自身を除く): 21912604

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25243, 50486, 100972, 176701, 353402, 706804, 732047, 1464094, 2928188, 5124329, 10248658, 20497316]

約数ペア:

[(1, 20497316), (2, 10248658), (4, 5124329), (7, 2928188), (14, 1464094), (28, 732047), (29, 706804), (58, 353402), (116, 176701), (203, 100972), (406, 50486), (812, 25243)]