2099140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1019}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 4455360

約数和(自身を除く): 2356220

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1019, 1030, 2038, 2060, 4076, 5095, 10190, 20380, 104957, 209914, 419828, 524785, 1049570, 2099140]

約数ペア:

[(1, 2099140), (2, 1049570), (4, 524785), (5, 419828), (10, 209914), (20, 104957), (103, 20380), (206, 10190), (412, 5095), (515, 4076), (1019, 2060), (1030, 2038)]