20556116

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9293}}^1$

素因数の和:9383

約数の個数: 24

約数和(自身を含む): 41637120

約数和(自身を除く): 21081004

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9293, 18586, 37172, 65051, 130102, 260204, 734147, 1468294, 2936588, 5139029, 10278058, 20556116]

約数ペア:

[(1, 20556116), (2, 10278058), (4, 5139029), (7, 2936588), (14, 1468294), (28, 734147), (79, 260204), (158, 130102), (316, 65051), (553, 37172), (1106, 18586), (2212, 9293)]