1661837420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2026631}}^1$

素因数の和:2026681

約数の個数: 24

約数和(自身を含む): 3574978848

約数和(自身を除く): 1913141428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2026631, 4053262, 8106524, 10133155, 20266310, 40532620, 83091871, 166183742, 332367484, 415459355, 830918710, 1661837420]

約数ペア:

[(1, 1661837420), (2, 830918710), (4, 415459355), (5, 332367484), (10, 166183742), (20, 83091871), (41, 40532620), (82, 20266310), (164, 10133155), (205, 8106524), (410, 4053262), (820, 2026631)]