20178091445

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{166027}}^1$

素因数の和:166364

約数の個数: 16

約数和(自身を含む): 24545579520

約数和(自身を除く): 4367488075

約数列:

[1, 5, 109, 223, 545, 1115, 24307, 121535, 166027, 830135, 18096943, 37024021, 90484715, 185120105, 4035618289, 20178091445]

約数ペア:

[(1, 20178091445), (5, 4035618289), (109, 185120105), (223, 90484715), (545, 37024021), (1115, 18096943), (24307, 830135), (121535, 166027)]