620577980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2820809}}^1$

素因数の和:2820829

約数の個数: 24

約数和(自身を含む): 1421688240

約数和(自身を除く): 801110260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2820809, 5641618, 11283236, 14104045, 28208090, 31028899, 56416180, 62057798, 124115596, 155144495, 310288990, 620577980]

約数ペア:

[(1, 620577980), (2, 310288990), (4, 155144495), (5, 124115596), (10, 62057798), (11, 56416180), (20, 31028899), (22, 28208090), (44, 14104045), (55, 11283236), (110, 5641618), (220, 2820809)]