20251490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1499}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 21652510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1499, 1930, 2702, 2998, 6755, 7495, 10493, 13510, 14990, 20986, 52465, 104930, 289307, 578614, 1446535, 2025149, 2893070, 4050298, 10125745, 20251490]

約数ペア:

[(1, 20251490), (2, 10125745), (5, 4050298), (7, 2893070), (10, 2025149), (14, 1446535), (35, 578614), (70, 289307), (193, 104930), (386, 52465), (965, 20986), (1351, 14990), (1499, 13510), (1930, 10493), (2702, 7495), (2998, 6755)]