20388104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1213}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 41955840

約数和(自身を除く): 21567736

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1213, 1528, 2101, 2426, 4202, 4852, 8404, 9704, 13343, 16808, 26686, 53372, 106744, 231683, 463366, 926732, 1853464, 2548513, 5097026, 10194052, 20388104]

約数ペア:

[(1, 20388104), (2, 10194052), (4, 5097026), (8, 2548513), (11, 1853464), (22, 926732), (44, 463366), (88, 231683), (191, 106744), (382, 53372), (764, 26686), (1213, 16808), (1528, 13343), (2101, 9704), (2426, 8404), (4202, 4852)]