20630385

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4451}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 36114624

約数和(自身を除く): 15484239

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4451, 4635, 13353, 22255, 40059, 66765, 200295, 458453, 1375359, 2292265, 4126077, 6876795, 20630385]

約数ペア:

[(1, 20630385), (3, 6876795), (5, 4126077), (9, 2292265), (15, 1375359), (45, 458453), (103, 200295), (309, 66765), (515, 40059), (927, 22255), (1545, 13353), (4451, 4635)]