20665596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1567}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 55494656

約数和(自身を除く): 34829060

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1567, 1884, 2198, 3134, 3297, 4396, 4701, 6268, 6594, 9402, 10969, 13188, 18804, 21938, 32907, 43876, 65814, 131628, 246019, 492038, 738057, 984076, 1476114, 1722133, 2952228, 3444266, 5166399, 6888532, 10332798, 20665596]

約数ペア:

[(1, 20665596), (2, 10332798), (3, 6888532), (4, 5166399), (6, 3444266), (7, 2952228), (12, 1722133), (14, 1476114), (21, 984076), (28, 738057), (42, 492038), (84, 246019), (157, 131628), (314, 65814), (471, 43876), (628, 32907), (942, 21938), (1099, 18804), (1567, 13188), (1884, 10969), (2198, 9402), (3134, 6594), (3297, 6268), (4396, 4701)]