20694872

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21379}}^1$

素因数の和:21407

約数の個数: 24

約数和(自身を含む): 42653100

約数和(自身を除く): 21958228

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21379, 42758, 85516, 171032, 235169, 470338, 940676, 1881352, 2586859, 5173718, 10347436, 20694872]

約数ペア:

[(1, 20694872), (2, 10347436), (4, 5173718), (8, 2586859), (11, 1881352), (22, 940676), (44, 470338), (88, 235169), (121, 171032), (242, 85516), (484, 42758), (968, 21379)]