20536180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3121}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 50351616

約数和(自身を除く): 29815436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3121, 3290, 6242, 6580, 12484, 15605, 21847, 31210, 43694, 62420, 87388, 109235, 146687, 218470, 293374, 436940, 586748, 733435, 1026809, 1466870, 2053618, 2933740, 4107236, 5134045, 10268090, 20536180]

約数ペア:

[(1, 20536180), (2, 10268090), (4, 5134045), (5, 4107236), (7, 2933740), (10, 2053618), (14, 1466870), (20, 1026809), (28, 733435), (35, 586748), (47, 436940), (70, 293374), (94, 218470), (140, 146687), (188, 109235), (235, 87388), (329, 62420), (470, 43694), (658, 31210), (940, 21847), (1316, 15605), (1645, 12484), (3121, 6580), (3290, 6242)]