20263820

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3061}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 42696528

約数和(自身を除く): 22432708

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3061, 3310, 6122, 6620, 12244, 15305, 30610, 61220, 1013191, 2026382, 4052764, 5065955, 10131910, 20263820]

約数ペア:

[(1, 20263820), (2, 10131910), (4, 5065955), (5, 4052764), (10, 2026382), (20, 1013191), (331, 61220), (662, 30610), (1324, 15305), (1655, 12244), (3061, 6620), (3310, 6122)]