20417044

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18653036

約数列:

[1, 2, 4, 29, 37, 58, 67, 71, 74, 116, 134, 142, 148, 268, 284, 1073, 1943, 2059, 2146, 2479, 2627, 3886, 4118, 4292, 4757, 4958, 5254, 7772, 8236, 9514, 9916, 10508, 19028, 71891, 76183, 137953, 143782, 152366, 176009, 275906, 287564, 304732, 352018, 551812, 704036, 5104261, 10208522, 20417044]

約数ペア:

[(1, 20417044), (2, 10208522), (4, 5104261), (29, 704036), (37, 551812), (58, 352018), (67, 304732), (71, 287564), (74, 275906), (116, 176009), (134, 152366), (142, 143782), (148, 137953), (268, 76183), (284, 71891), (1073, 19028), (1943, 10508), (2059, 9916), (2146, 9514), (2479, 8236), (2627, 7772), (3886, 5254), (4118, 4958), (4292, 4757)]