20137173

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1319}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 10613547

約数列:

[1, 3, 7, 21, 727, 1319, 2181, 3957, 5089, 9233, 15267, 27699, 958913, 2876739, 6712391, 20137173]

約数ペア:

[(1, 20137173), (3, 6712391), (7, 2876739), (21, 958913), (727, 27699), (1319, 15267), (2181, 9233), (3957, 5089)]