20004580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3461}}^1$

素因数の和:3504

約数の個数: 36

約数和(自身を含む): 44639028

約数和(自身を除く): 24634448

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3461, 5780, 6922, 13844, 17305, 34610, 58837, 69220, 117674, 235348, 294185, 588370, 1000229, 1176740, 2000458, 4000916, 5001145, 10002290, 20004580]

約数ペア:

[(1, 20004580), (2, 10002290), (4, 5001145), (5, 4000916), (10, 2000458), (17, 1176740), (20, 1000229), (34, 588370), (68, 294185), (85, 235348), (170, 117674), (289, 69220), (340, 58837), (578, 34610), (1156, 17305), (1445, 13844), (2890, 6922), (3461, 5780)]