20209413

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8087}}^1$

素因数の和:8121

約数の個数: 24

約数和(自身を含む): 33193152

約数和(自身を除く): 12983739

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8087, 24261, 56609, 137479, 169827, 396263, 412437, 962353, 1188789, 2887059, 6736471, 20209413]

約数ペア:

[(1, 20209413), (3, 6736471), (7, 2887059), (17, 1188789), (21, 962353), (49, 412437), (51, 396263), (119, 169827), (147, 137479), (357, 56609), (833, 24261), (2499, 8087)]