2013905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 32

約数和(自身を含む): 2851200

約数和(自身を除く): 837295

約数列:

[1, 5, 17, 19, 29, 43, 85, 95, 145, 215, 323, 493, 551, 731, 817, 1247, 1615, 2465, 2755, 3655, 4085, 6235, 9367, 13889, 21199, 23693, 46835, 69445, 105995, 118465, 402781, 2013905]

約数ペア:

[(1, 2013905), (5, 402781), (17, 118465), (19, 105995), (29, 69445), (43, 46835), (85, 23693), (95, 21199), (145, 13889), (215, 9367), (323, 6235), (493, 4085), (551, 3655), (731, 2755), (817, 2465), (1247, 1615)]