20346880498

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{3359}}^1$

素因数の和:3643

約数の個数: 64

約数和(自身を含む): 36537661440

約数和(自身を除く): 16190780942

約数列:

[1, 2, 7, 14, 41, 61, 82, 122, 173, 287, 346, 427, 574, 854, 1211, 2422, 2501, 3359, 5002, 6718, 7093, 10553, 14186, 17507, 21106, 23513, 35014, 47026, 49651, 73871, 99302, 137719, 147742, 204899, 275438, 409798, 432673, 581107, 865346, 964033, 1162214, 1434293, 1928066, 2868586, 3028711, 4067749, 6057422, 8135498, 8400859, 16801718, 23825387, 35447527, 47650774, 58806013, 70895054, 117612026, 166777709, 248132689, 333555418, 496265378, 1453348607, 2906697214, 10173440249, 20346880498]

約数ペア:

[(1, 20346880498), (2, 10173440249), (7, 2906697214), (14, 1453348607), (41, 496265378), (61, 333555418), (82, 248132689), (122, 166777709), (173, 117612026), (287, 70895054), (346, 58806013), (427, 47650774), (574, 35447527), (854, 23825387), (1211, 16801718), (2422, 8400859), (2501, 8135498), (3359, 6057422), (5002, 4067749), (6718, 3028711), (7093, 2868586), (10553, 1928066), (14186, 1434293), (17507, 1162214), (21106, 964033), (23513, 865346), (35014, 581107), (47026, 432673), (49651, 409798), (73871, 275438), (99302, 204899), (137719, 147742)]