20770672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99859}}^1$

素因数の和:99880

約数の個数: 20

約数和(自身を含む): 43339240

約数和(自身を除く): 22568568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99859, 199718, 399436, 798872, 1298167, 1597744, 2596334, 5192668, 10385336, 20770672]

約数ペア:

[(1, 20770672), (2, 10385336), (4, 5192668), (8, 2596334), (13, 1597744), (16, 1298167), (26, 798872), (52, 399436), (104, 199718), (208, 99859)]