20513426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3623}}^1$

素因数の和:3793

約数の個数: 16

約数和(自身を含む): 32616000

約数和(自身を除く): 12102574

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3623, 5662, 7246, 68837, 137674, 539827, 1079654, 10256713, 20513426]

約数ペア:

[(1, 20513426), (2, 10256713), (19, 1079654), (38, 539827), (149, 137674), (298, 68837), (2831, 7246), (3623, 5662)]