20401348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{14957}}^1$

素因数の和:15003

約数の個数: 24

約数和(自身を含む): 40207104

約数和(自身を除く): 19805756

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 14957, 29914, 59828, 164527, 329054, 463667, 658108, 927334, 1854668, 5100337, 10200674, 20401348]

約数ペア:

[(1, 20401348), (2, 10200674), (4, 5100337), (11, 1854668), (22, 927334), (31, 658108), (44, 463667), (62, 329054), (124, 164527), (341, 59828), (682, 29914), (1364, 14957)]