20928710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190261}}^1$

素因数の和:190279

約数の個数: 16

約数和(自身を含む): 41096592

約数和(自身を除く): 20167882

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190261, 380522, 951305, 1902610, 2092871, 4185742, 10464355, 20928710]

約数ペア:

[(1, 20928710), (2, 10464355), (5, 4185742), (10, 2092871), (11, 1902610), (22, 951305), (55, 380522), (110, 190261)]