20357668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 37658880

約数和(自身を除く): 17301212

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 2801, 3634, 5602, 7268, 11204, 64423, 128846, 221279, 257692, 442558, 885116, 5089417, 10178834, 20357668]

約数ペア:

[(1, 20357668), (2, 10178834), (4, 5089417), (23, 885116), (46, 442558), (79, 257692), (92, 221279), (158, 128846), (316, 64423), (1817, 11204), (2801, 7268), (3634, 5602)]