20201407812

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{727}}^1\times {\mathrm{1193}}^1$

素因数の和:2577

約数の個数: 72

約数和(自身を含む): 51256872576

約数和(自身を除く): 31055464764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 727, 1193, 1294, 1454, 1941, 2181, 2386, 2588, 2908, 3579, 3882, 4362, 4772, 5823, 6543, 7158, 7764, 8724, 10737, 11646, 13086, 14316, 21474, 23292, 26172, 42948, 470369, 771871, 867311, 940738, 1411107, 1543742, 1734622, 1881476, 2315613, 2601933, 2822214, 3087484, 3469244, 4233321, 4631226, 5203866, 5644428, 6946839, 7805799, 8466642, 9262452, 10407732, 13893678, 15611598, 16933284, 27787356, 31223196, 561150217, 1122300434, 1683450651, 2244600868, 3366901302, 5050351953, 6733802604, 10100703906, 20201407812]

約数ペア:

[(1, 20201407812), (2, 10100703906), (3, 6733802604), (4, 5050351953), (6, 3366901302), (9, 2244600868), (12, 1683450651), (18, 1122300434), (36, 561150217), (647, 31223196), (727, 27787356), (1193, 16933284), (1294, 15611598), (1454, 13893678), (1941, 10407732), (2181, 9262452), (2386, 8466642), (2588, 7805799), (2908, 6946839), (3579, 5644428), (3882, 5203866), (4362, 4631226), (4772, 4233321), (5823, 3469244), (6543, 3087484), (7158, 2822214), (7764, 2601933), (8724, 2315613), (10737, 1881476), (11646, 1734622), (13086, 1543742), (14316, 1411107), (21474, 940738), (23292, 867311), (26172, 771871), (42948, 470369)]