20796393

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 31564800

約数和(自身を除く): 10768407

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 547, 551, 667, 1311, 1641, 1653, 2001, 10393, 12581, 12673, 15863, 31179, 37743, 38019, 47589, 239039, 301397, 364849, 717117, 904191, 1094547, 6932131, 20796393]

約数ペア:

[(1, 20796393), (3, 6932131), (19, 1094547), (23, 904191), (29, 717117), (57, 364849), (69, 301397), (87, 239039), (437, 47589), (547, 38019), (551, 37743), (667, 31179), (1311, 15863), (1641, 12673), (1653, 12581), (2001, 10393)]