820016

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 20

約数和(自身を含む): 1620432

約数和(自身を除く): 800416

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 967, 1934, 3868, 7736, 15472, 51251, 102502, 205004, 410008, 820016]

約数ペア:

[(1, 820016), (2, 410008), (4, 205004), (8, 102502), (16, 51251), (53, 15472), (106, 7736), (212, 3868), (424, 1934), (848, 967)]