20399354

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1282

約数の個数: 24

約数和(自身を含む): 33653340

約数和(自身を除く): 13253986

約数列:

[1, 2, 17, 29, 34, 58, 289, 493, 578, 986, 1217, 2434, 8381, 16762, 20689, 35293, 41378, 70586, 351713, 599981, 703426, 1199962, 10199677, 20399354]

約数ペア:

[(1, 20399354), (2, 10199677), (17, 1199962), (29, 703426), (34, 599981), (58, 351713), (289, 70586), (493, 41378), (578, 35293), (986, 20689), (1217, 16762), (2434, 8381)]