2017991728

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{153623}}^1$

素因数の和:154452

約数の個数: 20

約数和(自身を含む): 3914646768

約数和(自身を除く): 1896655040

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 6568, 13136, 153623, 307246, 614492, 1228984, 2457968, 126124483, 252248966, 504497932, 1008995864, 2017991728]

約数ペア:

[(1, 2017991728), (2, 1008995864), (4, 504497932), (8, 252248966), (16, 126124483), (821, 2457968), (1642, 1228984), (3284, 614492), (6568, 307246), (13136, 153623)]