20908955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1750

約数の個数: 16

約数和(自身を含む): 26429760

約数和(自身を除く): 5520805

約数列:

[1, 5, 23, 113, 115, 565, 1609, 2599, 8045, 12995, 37007, 181817, 185035, 909085, 4181791, 20908955]

約数ペア:

[(1, 20908955), (5, 4181791), (23, 909085), (113, 185035), (115, 181817), (565, 37007), (1609, 12995), (2599, 8045)]