20739472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99709}}^1$

素因数の和:99730

約数の個数: 20

約数和(自身を含む): 43274140

約数和(自身を除く): 22534668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99709, 199418, 398836, 797672, 1296217, 1595344, 2592434, 5184868, 10369736, 20739472]

約数ペア:

[(1, 20739472), (2, 10369736), (4, 5184868), (8, 2592434), (13, 1595344), (16, 1296217), (26, 797672), (52, 398836), (104, 199418), (208, 99709)]