20558855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 26083200

約数和(自身を除く): 5524345

約数列:

[1, 5, 19, 95, 379, 571, 1895, 2855, 7201, 10849, 36005, 54245, 216409, 1082045, 4111771, 20558855]

約数ペア:

[(1, 20558855), (5, 4111771), (19, 1082045), (95, 216409), (379, 54245), (571, 36005), (1895, 10849), (2855, 7201)]