20820392

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44111}}^1$

素因数の和:44176

約数の個数: 16

約数和(自身を含む): 39700800

約数和(自身を除く): 18880408

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44111, 88222, 176444, 352888, 2602549, 5205098, 10410196, 20820392]

約数ペア:

[(1, 20820392), (2, 10410196), (4, 5205098), (8, 2602549), (59, 352888), (118, 176444), (236, 88222), (472, 44111)]