20280491307

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{4871}}^1\times {\mathrm{14923}}^1$

素因数の和:19831

約数の個数: 24

約数和(自身を含む): 30247246848

約数和(自身を除く): 9966755541

約数列:

[1, 3, 9, 31, 93, 279, 4871, 14613, 14923, 43839, 44769, 134307, 151001, 453003, 462613, 1359009, 1387839, 4163517, 72689933, 218069799, 654209397, 2253387923, 6760163769, 20280491307]

約数ペア:

[(1, 20280491307), (3, 6760163769), (9, 2253387923), (31, 654209397), (93, 218069799), (279, 72689933), (4871, 4163517), (14613, 1387839), (14923, 1359009), (43839, 462613), (44769, 453003), (134307, 151001)]