20282405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 30119040

約数和(自身を除く): 9836635

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1493, 2717, 7465, 13585, 16423, 19409, 28367, 82115, 97045, 141835, 213499, 312037, 368771, 1067495, 1560185, 1843855, 4056481, 20282405]

約数ペア:

[(1, 20282405), (5, 4056481), (11, 1843855), (13, 1560185), (19, 1067495), (55, 368771), (65, 312037), (95, 213499), (143, 141835), (209, 97045), (247, 82115), (715, 28367), (1045, 19409), (1235, 16423), (1493, 13585), (2717, 7465)]