20988135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66629}}^1$

素因数の和:66647

約数の個数: 24

約数和(自身を含む): 41577120

約数和(自身を除く): 20588985

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66629, 199887, 333145, 466403, 599661, 999435, 1399209, 2332015, 2998305, 4197627, 6996045, 20988135]

約数ペア:

[(1, 20988135), (3, 6996045), (5, 4197627), (7, 2998305), (9, 2332015), (15, 1399209), (21, 999435), (35, 599661), (45, 466403), (63, 333145), (105, 199887), (315, 66629)]