20915084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1747}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 38029488

約数和(自身を除く): 17114404

約数列:

[1, 2, 4, 41, 73, 82, 146, 164, 292, 1747, 2993, 3494, 5986, 6988, 11972, 71627, 127531, 143254, 255062, 286508, 510124, 5228771, 10457542, 20915084]

約数ペア:

[(1, 20915084), (2, 10457542), (4, 5228771), (41, 510124), (73, 286508), (82, 255062), (146, 143254), (164, 127531), (292, 71627), (1747, 11972), (2993, 6988), (3494, 5986)]