20296820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12227}}^1$

素因数の和:12319

約数の個数: 24

約数和(自身を含む): 43140384

約数和(自身を除く): 22843564

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12227, 24454, 48908, 61135, 122270, 244540, 1014841, 2029682, 4059364, 5074205, 10148410, 20296820]

約数ペア:

[(1, 20296820), (2, 10148410), (4, 5074205), (5, 4059364), (10, 2029682), (20, 1014841), (83, 244540), (166, 122270), (332, 61135), (415, 48908), (830, 24454), (1660, 12227)]