20927110

素因数分解:

$2^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1621}}^1$

素因数の和:2919

約数の個数: 16

約数和(自身を含む): 37721232

約数和(自身を除く): 16794122

約数列:

[1, 2, 5, 10, 1291, 1621, 2582, 3242, 6455, 8105, 12910, 16210, 2092711, 4185422, 10463555, 20927110]

約数ペア:

[(1, 20927110), (2, 10463555), (5, 4185422), (10, 2092711), (1291, 16210), (1621, 12910), (2582, 8105), (3242, 6455)]