20163856853

素因数分解:

$7^1\times {\mathrm{1019}}^1\times {\mathrm{1109}}^1\times {\mathrm{2549}}^1$

素因数の和:4684

約数の個数: 16

約数和(自身を含む): 23096880000

約数和(自身を除く): 2933023147

約数列:

[1, 7, 1019, 1109, 2549, 7133, 7763, 17843, 1130071, 2597431, 2826841, 7910497, 18182017, 19787887, 2880550979, 20163856853]

約数ペア:

[(1, 20163856853), (7, 2880550979), (1019, 19787887), (1109, 18182017), (2549, 7910497), (7133, 2826841), (7763, 2597431), (17843, 1130071)]