20137547021

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 21558620160

約数和(自身を除く): 1421073139

約数列:

[1, 31, 43, 139, 251, 433, 1333, 4309, 5977, 7781, 10793, 13423, 18619, 34889, 60187, 108683, 185287, 334583, 577189, 1081559, 1500227, 1865797, 2588041, 3369173, 4673369, 15106937, 46507037, 80229271, 144874439, 468315047, 649598291, 20137547021]

約数ペア:

[(1, 20137547021), (31, 649598291), (43, 468315047), (139, 144874439), (251, 80229271), (433, 46507037), (1333, 15106937), (4309, 4673369), (5977, 3369173), (7781, 2588041), (10793, 1865797), (13423, 1500227), (18619, 1081559), (34889, 577189), (60187, 334583), (108683, 185287)]