20317125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3187}}^1$

素因数の和:3222

約数の個数: 32

約数和(自身を含む): 35807616

約数和(自身を除く): 15490491

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3187, 6375, 9561, 15935, 47805, 54179, 79675, 162537, 239025, 270895, 398375, 812685, 1195125, 1354475, 4063425, 6772375, 20317125]

約数ペア:

[(1, 20317125), (3, 6772375), (5, 4063425), (15, 1354475), (17, 1195125), (25, 812685), (51, 398375), (75, 270895), (85, 239025), (125, 162537), (255, 79675), (375, 54179), (425, 47805), (1275, 15935), (2125, 9561), (3187, 6375)]