20925095216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31898011}}^1$

素因数の和:31898060

約数の個数: 20

約数和(自身を含む): 41531211624

約数和(自身を除く): 20606116408

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31898011, 63796022, 127592044, 255184088, 510368176, 1307818451, 2615636902, 5231273804, 10462547608, 20925095216]

約数ペア:

[(1, 20925095216), (2, 10462547608), (4, 5231273804), (8, 2615636902), (16, 1307818451), (41, 510368176), (82, 255184088), (164, 127592044), (328, 63796022), (656, 31898011)]