20802928

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22037}}^1$

素因数の和:22104

約数の個数: 20

約数和(自身を含む): 40990680

約数和(自身を除く): 20187752

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22037, 44074, 88148, 176296, 352592, 1300183, 2600366, 5200732, 10401464, 20802928]

約数ペア:

[(1, 20802928), (2, 10401464), (4, 5200732), (8, 2600366), (16, 1300183), (59, 352592), (118, 176296), (236, 88148), (472, 44074), (944, 22037)]