20486888

素因数分解:

$2^3\times {\mathrm{601}}^1\times {\mathrm{4261}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 38485860

約数和(自身を除く): 17998972

約数列:

[1, 2, 4, 8, 601, 1202, 2404, 4261, 4808, 8522, 17044, 34088, 2560861, 5121722, 10243444, 20486888]

約数ペア:

[(1, 20486888), (2, 10243444), (4, 5121722), (8, 2560861), (601, 34088), (1202, 17044), (2404, 8522), (4261, 4808)]