20767540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3593}}^1$

素因数の和:3636

約数の個数: 36

約数和(自身を含む): 46341036

約数和(自身を除く): 25573496

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3593, 5780, 7186, 14372, 17965, 35930, 61081, 71860, 122162, 244324, 305405, 610810, 1038377, 1221620, 2076754, 4153508, 5191885, 10383770, 20767540]

約数ペア:

[(1, 20767540), (2, 10383770), (4, 5191885), (5, 4153508), (10, 2076754), (17, 1221620), (20, 1038377), (34, 610810), (68, 305405), (85, 244324), (170, 122162), (289, 71860), (340, 61081), (578, 35930), (1156, 17965), (1445, 14372), (2890, 7186), (3593, 5780)]