20422510

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49811}}^1$

素因数の和:49859

約数の個数: 16

約数和(自身を含む): 37657872

約数和(自身を除く): 17235362

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49811, 99622, 249055, 498110, 2042251, 4084502, 10211255, 20422510]

約数ペア:

[(1, 20422510), (2, 10211255), (5, 4084502), (10, 2042251), (41, 498110), (82, 249055), (205, 99622), (410, 49811)]