20145239390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18481871}}^1$

素因数の和:18481987

約数の個数: 16

約数和(自身を含む): 36594106560

約数和(自身を除く): 16448867170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18481871, 36963742, 92409355, 184818710, 2014523939, 4029047878, 10072619695, 20145239390]

約数ペア:

[(1, 20145239390), (2, 10072619695), (5, 4029047878), (10, 2014523939), (109, 184818710), (218, 92409355), (545, 36963742), (1090, 18481871)]