20196749636

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{342341}}^1$

素因数の和:342409

約数の個数: 48

約数和(自身を含む): 42176534400

約数和(自身を除く): 21979784764

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 343, 602, 686, 1204, 1372, 2107, 4214, 8428, 14749, 29498, 58996, 342341, 684682, 1369364, 2396387, 4792774, 9585548, 14720663, 16774709, 29441326, 33549418, 58882652, 67098836, 103044641, 117422963, 206089282, 234845926, 412178564, 469691852, 721312487, 1442624974, 2885249948, 5049187409, 10098374818, 20196749636]

約数ペア:

[(1, 20196749636), (2, 10098374818), (4, 5049187409), (7, 2885249948), (14, 1442624974), (28, 721312487), (43, 469691852), (49, 412178564), (86, 234845926), (98, 206089282), (172, 117422963), (196, 103044641), (301, 67098836), (343, 58882652), (602, 33549418), (686, 29441326), (1204, 16774709), (1372, 14720663), (2107, 9585548), (4214, 4792774), (8428, 2396387), (14749, 1369364), (29498, 684682), (58996, 342341)]