20262255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7993}}^1$

素因数の和:8027

約数の個数: 24

約数和(自身を含む): 35109648

約数和(自身を除く): 14847393

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7993, 23979, 39965, 103909, 119895, 311727, 519545, 1350817, 1558635, 4052451, 6754085, 20262255]

約数ペア:

[(1, 20262255), (3, 6754085), (5, 4052451), (13, 1558635), (15, 1350817), (39, 519545), (65, 311727), (169, 119895), (195, 103909), (507, 39965), (845, 23979), (2535, 7993)]