20410045

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 25032960

約数和(自身を除く): 4622915

約数列:

[1, 5, 79, 163, 317, 395, 815, 1585, 12877, 25043, 51671, 64385, 125215, 258355, 4082009, 20410045]

約数ペア:

[(1, 20410045), (5, 4082009), (79, 258355), (163, 125215), (317, 64385), (395, 51671), (815, 25043), (1585, 12877)]