20325664

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{1553}}^1$

素因数の和:1972

約数の個数: 24

約数和(自身を含む): 40139820

約数和(自身を除く): 19814156

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 1553, 1636, 3106, 3272, 6212, 6544, 12424, 13088, 24848, 49696, 635177, 1270354, 2540708, 5081416, 10162832, 20325664]

約数ペア:

[(1, 20325664), (2, 10162832), (4, 5081416), (8, 2540708), (16, 1270354), (32, 635177), (409, 49696), (818, 24848), (1553, 13088), (1636, 12424), (3106, 6544), (3272, 6212)]