20492080208

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18038803}}^1$

素因数の和:18038882

約数の個数: 20

約数和(自身を含む): 40262610528

約数和(自身を除く): 19770530320

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18038803, 36077606, 72155212, 144310424, 288620848, 1280755013, 2561510026, 5123020052, 10246040104, 20492080208]

約数ペア:

[(1, 20492080208), (2, 10246040104), (4, 5123020052), (8, 2561510026), (16, 1280755013), (71, 288620848), (142, 144310424), (284, 72155212), (568, 36077606), (1136, 18038803)]