20972713

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3219287

約数列:

[1, 17, 19, 29, 323, 493, 551, 2239, 9367, 38063, 42541, 64931, 723197, 1103827, 1233689, 20972713]

約数ペア:

[(1, 20972713), (17, 1233689), (19, 1103827), (29, 723197), (323, 64931), (493, 42541), (551, 38063), (2239, 9367)]