20947176

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2719}}^1$

素因数の和:2838

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 36336024

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, 2719, 3852, 5438, 7704, 8157, 10876, 16314, 21752, 24471, 32628, 48942, 65256, 97884, 195768, 290933, 581866, 872799, 1163732, 1745598, 2327464, 2618397, 3491196, 5236794, 6982392, 10473588, 20947176]

約数ペア:

[(1, 20947176), (2, 10473588), (3, 6982392), (4, 5236794), (6, 3491196), (8, 2618397), (9, 2327464), (12, 1745598), (18, 1163732), (24, 872799), (36, 581866), (72, 290933), (107, 195768), (214, 97884), (321, 65256), (428, 48942), (642, 32628), (856, 24471), (963, 21752), (1284, 16314), (1926, 10876), (2568, 8157), (2719, 7704), (3852, 5438)]