20316830

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6491}}^1$

素因数の和:6811

約数の個数: 16

約数和(自身を含む): 36692784

約数和(自身を除く): 16375954

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6491, 12982, 32455, 64910, 2031683, 4063366, 10158415, 20316830]

約数ペア:

[(1, 20316830), (2, 10158415), (5, 4063366), (10, 2031683), (313, 64910), (626, 32455), (1565, 12982), (3130, 6491)]