9978032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{20117}}^1$

素因数の和:20156

約数の個数: 20

約数和(自身を含む): 19957056

約数和(自身を除く): 9979024

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 20117, 40234, 80468, 160936, 321872, 623627, 1247254, 2494508, 4989016, 9978032]

約数ペア:

[(1, 9978032), (2, 4989016), (4, 2494508), (8, 1247254), (16, 623627), (31, 321872), (62, 160936), (124, 80468), (248, 40234), (496, 20117)]