20986530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3137}}^1$

素因数の和:3370

約数の個数: 32

約数和(自身を含む): 50609664

約数和(自身を除く): 29623134

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3137, 3345, 6274, 6690, 9411, 15685, 18822, 31370, 47055, 94110, 699551, 1399102, 2098653, 3497755, 4197306, 6995510, 10493265, 20986530]

約数ペア:

[(1, 20986530), (2, 10493265), (3, 6995510), (5, 4197306), (6, 3497755), (10, 2098653), (15, 1399102), (30, 699551), (223, 94110), (446, 47055), (669, 31370), (1115, 18822), (1338, 15685), (2230, 9411), (3137, 6690), (3345, 6274)]