20619247

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 24514560

約数和(自身を除く): 3895313

約数列:

[1, 11, 23, 31, 121, 239, 253, 341, 713, 2629, 2783, 3751, 5497, 7409, 7843, 28919, 60467, 81499, 86273, 170407, 665137, 896489, 1874477, 20619247]

約数ペア:

[(1, 20619247), (11, 1874477), (23, 896489), (31, 665137), (121, 170407), (239, 86273), (253, 81499), (341, 60467), (713, 28919), (2629, 7843), (2783, 7409), (3751, 5497)]