20707980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345133}}^1$

素因数の和:345145

約数の個数: 24

約数和(自身を含む): 57982512

約数和(自身を除く): 37274532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345133, 690266, 1035399, 1380532, 1725665, 2070798, 3451330, 4141596, 5176995, 6902660, 10353990, 20707980]

約数ペア:

[(1, 20707980), (2, 10353990), (3, 6902660), (4, 5176995), (5, 4141596), (6, 3451330), (10, 2070798), (12, 1725665), (15, 1380532), (20, 1035399), (30, 690266), (60, 345133)]