20512761980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35366831}}^1$

素因数の和:35366869

約数の個数: 24

約数和(自身を含む): 44562208320

約数和(自身を除く): 24049446340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35366831, 70733662, 141467324, 176834155, 353668310, 707336620, 1025638099, 2051276198, 4102552396, 5128190495, 10256380990, 20512761980]

約数ペア:

[(1, 20512761980), (2, 10256380990), (4, 5128190495), (5, 4102552396), (10, 2051276198), (20, 1025638099), (29, 707336620), (58, 353668310), (116, 176834155), (145, 141467324), (290, 70733662), (580, 35366831)]