20387256

素因数分解:

$2^3\times 3^1\times {\mathrm{307}}^1\times {\mathrm{2767}}^1$

素因数の和:3083

約数の個数: 32

約数和(自身を含む): 51152640

約数和(自身を除く): 30765384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 307, 614, 921, 1228, 1842, 2456, 2767, 3684, 5534, 7368, 8301, 11068, 16602, 22136, 33204, 66408, 849469, 1698938, 2548407, 3397876, 5096814, 6795752, 10193628, 20387256]

約数ペア:

[(1, 20387256), (2, 10193628), (3, 6795752), (4, 5096814), (6, 3397876), (8, 2548407), (12, 1698938), (24, 849469), (307, 66408), (614, 33204), (921, 22136), (1228, 16602), (1842, 11068), (2456, 8301), (2767, 7368), (3684, 5534)]