20660168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 41598360

約数和(自身を除く): 20938192

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 2081, 2482, 4162, 4964, 8324, 9928, 16648, 35377, 70754, 141508, 151913, 283016, 303826, 607652, 1215304, 2582521, 5165042, 10330084, 20660168]

約数ペア:

[(1, 20660168), (2, 10330084), (4, 5165042), (8, 2582521), (17, 1215304), (34, 607652), (68, 303826), (73, 283016), (136, 151913), (146, 141508), (292, 70754), (584, 35377), (1241, 16648), (2081, 9928), (2482, 8324), (4162, 4964)]