20009558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 30905280

約数和(自身を除く): 10895722

約数列:

[1, 2, 41, 82, 239, 478, 1021, 2042, 9799, 19598, 41861, 83722, 244019, 488038, 10004779, 20009558]

約数ペア:

[(1, 20009558), (2, 10004779), (41, 488038), (82, 244019), (239, 83722), (478, 41861), (1021, 19598), (2042, 9799)]