20437910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120223}}^1$

素因数の和:120247

約数の個数: 16

約数和(自身を含む): 38952576

約数和(自身を除く): 18514666

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120223, 240446, 601115, 1202230, 2043791, 4087582, 10218955, 20437910]

約数ペア:

[(1, 20437910), (2, 10218955), (5, 4087582), (10, 2043791), (17, 1202230), (34, 601115), (85, 240446), (170, 120223)]