20304825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14249}}^1$

素因数の和:14281

約数の個数: 24

約数和(自身を含む): 35340000

約数和(自身を除く): 15035175

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 14249, 42747, 71245, 213735, 270731, 356225, 812193, 1068675, 1353655, 4060965, 6768275, 20304825]

約数ペア:

[(1, 20304825), (3, 6768275), (5, 4060965), (15, 1353655), (19, 1068675), (25, 812193), (57, 356225), (75, 270731), (95, 213735), (285, 71245), (475, 42747), (1425, 14249)]