20068874

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 39004416

約数和(自身を除く): 18935542

約数列:

[1, 2, 7, 14, 17, 34, 37, 43, 53, 74, 86, 106, 119, 238, 259, 301, 371, 518, 602, 629, 731, 742, 901, 1258, 1462, 1591, 1802, 1961, 2279, 3182, 3922, 4403, 4558, 5117, 6307, 8806, 10234, 11137, 12614, 13727, 15953, 22274, 27047, 27454, 31906, 33337, 38743, 54094, 66674, 77486, 84323, 168646, 189329, 233359, 271201, 378658, 466718, 542402, 590261, 1180522, 1433491, 2866982, 10034437, 20068874]

約数ペア:

[(1, 20068874), (2, 10034437), (7, 2866982), (14, 1433491), (17, 1180522), (34, 590261), (37, 542402), (43, 466718), (53, 378658), (74, 271201), (86, 233359), (106, 189329), (119, 168646), (238, 84323), (259, 77486), (301, 66674), (371, 54094), (518, 38743), (602, 33337), (629, 31906), (731, 27454), (742, 27047), (901, 22274), (1258, 15953), (1462, 13727), (1591, 12614), (1802, 11137), (1961, 10234), (2279, 8806), (3182, 6307), (3922, 5117), (4403, 4558)]