20179082644

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{671651}}^1$

素因数の和:671728

約数の個数: 48

約数和(自身を含む): 42878263680

約数和(自身を除く): 22699181036

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 812, 1036, 1073, 2146, 4292, 7511, 15022, 30044, 671651, 1343302, 2686604, 4701557, 9403114, 18806228, 19477879, 24851087, 38955758, 49702174, 77911516, 99404348, 136345153, 173957609, 272690306, 347915218, 545380612, 695830436, 720681523, 1441363046, 2882726092, 5044770661, 10089541322, 20179082644]

約数ペア:

[(1, 20179082644), (2, 10089541322), (4, 5044770661), (7, 2882726092), (14, 1441363046), (28, 720681523), (29, 695830436), (37, 545380612), (58, 347915218), (74, 272690306), (116, 173957609), (148, 136345153), (203, 99404348), (259, 77911516), (406, 49702174), (518, 38955758), (812, 24851087), (1036, 19477879), (1073, 18806228), (2146, 9403114), (4292, 4701557), (7511, 2686604), (15022, 1343302), (30044, 671651)]