20816658

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14639}}^1$

素因数の和:14726

約数の個数: 24

約数和(自身を含む): 45676800

約数和(自身を除く): 24860142

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14639, 29278, 43917, 87834, 131751, 263502, 1156481, 2312962, 3469443, 6938886, 10408329, 20816658]

約数ペア:

[(1, 20816658), (2, 10408329), (3, 6938886), (6, 3469443), (9, 2312962), (18, 1156481), (79, 263502), (158, 131751), (237, 87834), (474, 43917), (711, 29278), (1422, 14639)]