20886490

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6673}}^1$

素因数の和:6993

約数の個数: 16

約数和(自身を含む): 37721448

約数和(自身を除く): 16834958

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6673, 13346, 33365, 66730, 2088649, 4177298, 10443245, 20886490]

約数ペア:

[(1, 20886490), (2, 10443245), (5, 4177298), (10, 2088649), (313, 66730), (626, 33365), (1565, 13346), (3130, 6673)]