20015128

素因数分解:

$2^3\times 7^2\times {\mathrm{51059}}^1$

素因数の和:51079

約数の個数: 24

約数和(自身を含む): 43656300

約数和(自身を除く): 23641172

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 51059, 102118, 204236, 357413, 408472, 714826, 1429652, 2501891, 2859304, 5003782, 10007564, 20015128]

約数ペア:

[(1, 20015128), (2, 10007564), (4, 5003782), (7, 2859304), (8, 2501891), (14, 1429652), (28, 714826), (49, 408472), (56, 357413), (98, 204236), (196, 102118), (392, 51059)]