20765776

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6151}}^1$

素因数の和:6370

約数の個数: 20

約数和(自身を含む): 40430944

約数和(自身を除く): 19665168

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6151, 12302, 24604, 49208, 98416, 1297861, 2595722, 5191444, 10382888, 20765776]

約数ペア:

[(1, 20765776), (2, 10382888), (4, 5191444), (8, 2595722), (16, 1297861), (211, 98416), (422, 49208), (844, 24604), (1688, 12302), (3376, 6151)]