20681610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4391}}^1$

素因数の和:4558

約数の個数: 32

約数和(自身を含む): 49963392

約数和(自身を除く): 29281782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4391, 4710, 8782, 13173, 21955, 26346, 43910, 65865, 131730, 689387, 1378774, 2068161, 3446935, 4136322, 6893870, 10340805, 20681610]

約数ペア:

[(1, 20681610), (2, 10340805), (3, 6893870), (5, 4136322), (6, 3446935), (10, 2068161), (15, 1378774), (30, 689387), (157, 131730), (314, 65865), (471, 43910), (785, 26346), (942, 21955), (1570, 13173), (2355, 8782), (4391, 4710)]