20790110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 41019264

約数和(自身を除く): 20229154

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 331, 571, 662, 1142, 1655, 2855, 3310, 3641, 5710, 6281, 7282, 12562, 18205, 31405, 36410, 62810, 189001, 378002, 945005, 1890010, 2079011, 4158022, 10395055, 20790110]

約数ペア:

[(1, 20790110), (2, 10395055), (5, 4158022), (10, 2079011), (11, 1890010), (22, 945005), (55, 378002), (110, 189001), (331, 62810), (571, 36410), (662, 31405), (1142, 18205), (1655, 12562), (2855, 7282), (3310, 6281), (3641, 5710)]