20886168

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 55497600

約数和(自身を除く): 34611432

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 163, 228, 281, 326, 456, 489, 562, 652, 843, 978, 1124, 1304, 1686, 1956, 2248, 3097, 3372, 3912, 5339, 6194, 6744, 9291, 10678, 12388, 16017, 18582, 21356, 24776, 32034, 37164, 42712, 45803, 64068, 74328, 91606, 128136, 137409, 183212, 274818, 366424, 549636, 870257, 1099272, 1740514, 2610771, 3481028, 5221542, 6962056, 10443084, 20886168]

約数ペア:

[(1, 20886168), (2, 10443084), (3, 6962056), (4, 5221542), (6, 3481028), (8, 2610771), (12, 1740514), (19, 1099272), (24, 870257), (38, 549636), (57, 366424), (76, 274818), (114, 183212), (152, 137409), (163, 128136), (228, 91606), (281, 74328), (326, 64068), (456, 45803), (489, 42712), (562, 37164), (652, 32034), (843, 24776), (978, 21356), (1124, 18582), (1304, 16017), (1686, 12388), (1956, 10678), (2248, 9291), (3097, 6744), (3372, 6194), (3912, 5339)]