20285445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 34531200

約数和(自身を除く): 14245755

約数列:

[1, 3, 5, 15, 19, 57, 95, 109, 285, 327, 545, 653, 1635, 1959, 2071, 3265, 6213, 9795, 10355, 12407, 31065, 37221, 62035, 71177, 186105, 213531, 355885, 1067655, 1352363, 4057089, 6761815, 20285445]

約数ペア:

[(1, 20285445), (3, 6761815), (5, 4057089), (15, 1352363), (19, 1067655), (57, 355885), (95, 213531), (109, 186105), (285, 71177), (327, 62035), (545, 37221), (653, 31065), (1635, 12407), (1959, 10355), (2071, 9795), (3265, 6213)]