20702946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4297}}^1$

素因数の和:4386

約数の個数: 32

約数和(自身を含む): 45799488

約数和(自身を除く): 25096542

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 4297, 4818, 8594, 12891, 25782, 47267, 94534, 141801, 283602, 313681, 627362, 941043, 1882086, 3450491, 6900982, 10351473, 20702946]

約数ペア:

[(1, 20702946), (2, 10351473), (3, 6900982), (6, 3450491), (11, 1882086), (22, 941043), (33, 627362), (66, 313681), (73, 283602), (146, 141801), (219, 94534), (438, 47267), (803, 25782), (1606, 12891), (2409, 8594), (4297, 4818)]