20349550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31307}}^1$

素因数の和:31332

約数の個数: 24

約数和(自身を含む): 40763016

約数和(自身を除く): 20413466

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31307, 62614, 156535, 313070, 406991, 782675, 813982, 1565350, 2034955, 4069910, 10174775, 20349550]

約数ペア:

[(1, 20349550), (2, 10174775), (5, 4069910), (10, 2034955), (13, 1565350), (25, 813982), (26, 782675), (50, 406991), (65, 313070), (130, 156535), (325, 62614), (650, 31307)]