20367496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4885

約数の個数: 32

約数和(自身を含む): 41748480

約数和(自身を除く): 21380984

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4831, 9662, 19324, 38648, 82127, 149761, 164254, 299522, 328508, 599044, 657016, 1198088, 2545937, 5091874, 10183748, 20367496]

約数ペア:

[(1, 20367496), (2, 10183748), (4, 5091874), (8, 2545937), (17, 1198088), (31, 657016), (34, 599044), (62, 328508), (68, 299522), (124, 164254), (136, 149761), (248, 82127), (527, 38648), (1054, 19324), (2108, 9662), (4216, 4831)]