20375299

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3643}}^1$

素因数の和:3714

約数の個数: 16

約数和(自身を含む): 25187328

約数和(自身を除く): 4812029

約数列:

[1, 7, 17, 47, 119, 329, 799, 3643, 5593, 25501, 61931, 171221, 433517, 1198547, 2910757, 20375299]

約数ペア:

[(1, 20375299), (7, 2910757), (17, 1198547), (47, 433517), (119, 171221), (329, 61931), (799, 25501), (3643, 5593)]