20173817835

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2855459}}^1$

素因数の和:2855627

約数の個数: 24

約数和(自身を含む): 35190689040

約数和(自身を除く): 15016871205

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 2855459, 8566377, 14277295, 25699131, 42831885, 128495655, 448307063, 1344921189, 2241535315, 4034763567, 6724605945, 20173817835]

約数ペア:

[(1, 20173817835), (3, 6724605945), (5, 4034763567), (9, 2241535315), (15, 1344921189), (45, 448307063), (157, 128495655), (471, 42831885), (785, 25699131), (1413, 14277295), (2355, 8566377), (7065, 2855459)]