20005275

素因数分解:

$3^1\times 5^2\times {\mathrm{359}}^1\times {\mathrm{743}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 33212160

約数和(自身を除く): 13206885

約数列:

[1, 3, 5, 15, 25, 75, 359, 743, 1077, 1795, 2229, 3715, 5385, 8975, 11145, 18575, 26925, 55725, 266737, 800211, 1333685, 4001055, 6668425, 20005275]

約数ペア:

[(1, 20005275), (3, 6668425), (5, 4001055), (15, 1333685), (25, 800211), (75, 266737), (359, 55725), (743, 26925), (1077, 18575), (1795, 11145), (2229, 8975), (3715, 5385)]