20510230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157771}}^1$

素因数の和:157791

約数の個数: 16

約数和(自身を含む): 39758544

約数和(自身を除く): 19248314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157771, 315542, 788855, 1577710, 2051023, 4102046, 10255115, 20510230]

約数ペア:

[(1, 20510230), (2, 10255115), (5, 4102046), (10, 2051023), (13, 1577710), (26, 788855), (65, 315542), (130, 157771)]