20047615

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 28596672

約数和(自身を除く): 8549057

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 1741, 2303, 8705, 11515, 12187, 60935, 81827, 85309, 409135, 426545, 572789, 2863945, 4009523, 20047615]

約数ペア:

[(1, 20047615), (5, 4009523), (7, 2863945), (35, 572789), (47, 426545), (49, 409135), (235, 85309), (245, 81827), (329, 60935), (1645, 12187), (1741, 11515), (2303, 8705)]