20859272

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21911}}^1$

素因数の和:21941

約数の個数: 32

約数和(自身を含む): 47329920

約数和(自身を除く): 26470648

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21911, 43822, 87644, 153377, 175288, 306754, 372487, 613508, 744974, 1227016, 1489948, 2607409, 2979896, 5214818, 10429636, 20859272]

約数ペア:

[(1, 20859272), (2, 10429636), (4, 5214818), (7, 2979896), (8, 2607409), (14, 1489948), (17, 1227016), (28, 744974), (34, 613508), (56, 372487), (68, 306754), (119, 175288), (136, 153377), (238, 87644), (476, 43822), (952, 21911)]