20469528

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2657}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 55977480

約数和(自身を除く): 35507952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2657, 3852, 5314, 7704, 7971, 10628, 15942, 21256, 23913, 31884, 47826, 63768, 95652, 191304, 284299, 568598, 852897, 1137196, 1705794, 2274392, 2558691, 3411588, 5117382, 6823176, 10234764, 20469528]

約数ペア:

[(1, 20469528), (2, 10234764), (3, 6823176), (4, 5117382), (6, 3411588), (8, 2558691), (9, 2274392), (12, 1705794), (18, 1137196), (24, 852897), (36, 568598), (72, 284299), (107, 191304), (214, 95652), (321, 63768), (428, 47826), (642, 31884), (856, 23913), (963, 21256), (1284, 15942), (1926, 10628), (2568, 7971), (2657, 7704), (3852, 5314)]