20018786973

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{10159}}^1$

素因数の和:10553

約数の個数: 32

約数和(自身を含む): 28402483200

約数和(自身を除く): 8383696227

約数列:

[1, 3, 19, 57, 181, 191, 543, 573, 3439, 3629, 10159, 10317, 10887, 30477, 34571, 103713, 193021, 579063, 656849, 1838779, 1940369, 1970547, 5516337, 5821107, 34936801, 36867011, 104810403, 110601033, 351206789, 1053620367, 6672928991, 20018786973]

約数ペア:

[(1, 20018786973), (3, 6672928991), (19, 1053620367), (57, 351206789), (181, 110601033), (191, 104810403), (543, 36867011), (573, 34936801), (3439, 5821107), (3629, 5516337), (10159, 1970547), (10317, 1940369), (10887, 1838779), (30477, 656849), (34571, 579063), (103713, 193021)]