20937816

素因数分解:

$2^3\times 3^2\times {\mathrm{290803}}^1$

素因数の和:290815

約数の個数: 24

約数和(自身を含む): 56706780

約数和(自身を除く): 35768964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290803, 581606, 872409, 1163212, 1744818, 2326424, 2617227, 3489636, 5234454, 6979272, 10468908, 20937816]

約数ペア:

[(1, 20937816), (2, 10468908), (3, 6979272), (4, 5234454), (6, 3489636), (8, 2617227), (9, 2326424), (12, 1744818), (18, 1163212), (24, 872409), (36, 581606), (72, 290803)]