20202770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 41758848

約数和(自身を除く): 21556078

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1123, 1285, 1799, 2246, 2570, 3598, 5615, 7861, 8995, 11230, 15722, 17990, 39305, 78610, 288611, 577222, 1443055, 2020277, 2886110, 4040554, 10101385, 20202770]

約数ペア:

[(1, 20202770), (2, 10101385), (5, 4040554), (7, 2886110), (10, 2020277), (14, 1443055), (35, 577222), (70, 288611), (257, 78610), (514, 39305), (1123, 17990), (1285, 15722), (1799, 11230), (2246, 8995), (2570, 7861), (3598, 5615)]