20540676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131671}}^1$

素因数の和:131691

約数の個数: 24

約数和(自身を含む): 51615424

約数和(自身を除く): 31074748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131671, 263342, 395013, 526684, 790026, 1580052, 1711723, 3423446, 5135169, 6846892, 10270338, 20540676]

約数ペア:

[(1, 20540676), (2, 10270338), (3, 6846892), (4, 5135169), (6, 3423446), (12, 1711723), (13, 1580052), (26, 790026), (39, 526684), (52, 395013), (78, 263342), (156, 131671)]