20007535895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{43397}}^1$

素因数の和:43655

約数の個数: 32

約数和(自身を含む): 26497082880

約数和(自身を除く): 6489546985

約数列:

[1, 5, 19, 23, 95, 115, 211, 437, 1055, 2185, 4009, 4853, 20045, 24265, 43397, 92207, 216985, 461035, 824543, 998131, 4122715, 4990655, 9156767, 18964489, 45783835, 94822445, 173978573, 210605641, 869892865, 1053028205, 4001507179, 20007535895]

約数ペア:

[(1, 20007535895), (5, 4001507179), (19, 1053028205), (23, 869892865), (95, 210605641), (115, 173978573), (211, 94822445), (437, 45783835), (1055, 18964489), (2185, 9156767), (4009, 4990655), (4853, 4122715), (20045, 998131), (24265, 824543), (43397, 461035), (92207, 216985)]