11988820

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1811}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 25266528

約数和(自身を除く): 13277708

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 1811, 3310, 3622, 6620, 7244, 9055, 18110, 36220, 599441, 1198882, 2397764, 2997205, 5994410, 11988820]

約数ペア:

[(1, 11988820), (2, 5994410), (4, 2997205), (5, 2397764), (10, 1198882), (20, 599441), (331, 36220), (662, 18110), (1324, 9055), (1655, 7244), (1811, 6620), (3310, 3622)]