2045663408

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{1131451}}^1$

素因数の和:1131572

約数の個数: 20

約数和(自身を含む): 3998551368

約数和(自身を除く): 1952887960

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 1131451, 2262902, 4525804, 9051608, 18103216, 127853963, 255707926, 511415852, 1022831704, 2045663408]

約数ペア:

[(1, 2045663408), (2, 1022831704), (4, 511415852), (8, 255707926), (16, 127853963), (113, 18103216), (226, 9051608), (452, 4525804), (904, 2262902), (1808, 1131451)]