20684930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2711}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 42958080

約数和(自身を除く): 22273150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2711, 3815, 5422, 7630, 13555, 18977, 27110, 37954, 94885, 189770, 295499, 590998, 1477495, 2068493, 2954990, 4136986, 10342465, 20684930]

約数ペア:

[(1, 20684930), (2, 10342465), (5, 4136986), (7, 2954990), (10, 2068493), (14, 1477495), (35, 590998), (70, 295499), (109, 189770), (218, 94885), (545, 37954), (763, 27110), (1090, 18977), (1526, 13555), (2711, 7630), (3815, 5422)]