20606445

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9743}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 36481536

約数和(自身を除く): 15875091

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9743, 29229, 48715, 87687, 146145, 438435, 457921, 1373763, 2289605, 4121289, 6868815, 20606445]

約数ペア:

[(1, 20606445), (3, 6868815), (5, 4121289), (9, 2289605), (15, 1373763), (45, 457921), (47, 438435), (141, 146145), (235, 87687), (423, 48715), (705, 29229), (2115, 9743)]