20008768235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{155209}}^1$

素因数の和:155315

約数の個数: 32

約数和(自身を含む): 26820288000

約数和(自身を除く): 6811519765

約数列:

[1, 5, 19, 23, 59, 95, 115, 295, 437, 1121, 1357, 2185, 5605, 6785, 25783, 128915, 155209, 776045, 2948971, 3569807, 9157331, 14744855, 17849035, 45786655, 67826333, 173989289, 210618613, 339131665, 869946445, 1053093065, 4001753647, 20008768235]

約数ペア:

[(1, 20008768235), (5, 4001753647), (19, 1053093065), (23, 869946445), (59, 339131665), (95, 210618613), (115, 173989289), (295, 67826333), (437, 45786655), (1121, 17849035), (1357, 14744855), (2185, 9157331), (5605, 3569807), (6785, 2948971), (25783, 776045), (128915, 155209)]