20960968

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12907}}^1$

素因数の和:12949

約数の個数: 32

約数和(自身を含む): 46468800

約数和(自身を除く): 25507832

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12907, 25814, 51628, 90349, 103256, 180698, 361396, 374303, 722792, 748606, 1497212, 2620121, 2994424, 5240242, 10480484, 20960968]

約数ペア:

[(1, 20960968), (2, 10480484), (4, 5240242), (7, 2994424), (8, 2620121), (14, 1497212), (28, 748606), (29, 722792), (56, 374303), (58, 361396), (116, 180698), (203, 103256), (232, 90349), (406, 51628), (812, 25814), (1624, 12907)]