20512223030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157786331}}^1$

素因数の和:157786351

約数の個数: 16

約数和(自身を含む): 39762155664

約数和(自身を除く): 19249932634

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157786331, 315572662, 788931655, 1577863310, 2051222303, 4102444606, 10256111515, 20512223030]

約数ペア:

[(1, 20512223030), (2, 10256111515), (5, 4102444606), (10, 2051222303), (13, 1577863310), (26, 788931655), (65, 315572662), (130, 157786331)]