20565396891

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{2269}}^1$

素因数の和:2461

約数の個数: 72

約数和(自身を含む): 33050019600

約数和(自身を除く): 12484622709

約数列:

[1, 3, 9, 13, 39, 59, 101, 117, 169, 177, 303, 507, 531, 767, 909, 1313, 1521, 2269, 2301, 3939, 5959, 6807, 6903, 9971, 11817, 17069, 17877, 20421, 29497, 29913, 51207, 53631, 77467, 88491, 89739, 133871, 153621, 229169, 232401, 265473, 383461, 401613, 687507, 697203, 1007071, 1150383, 1204839, 1740323, 2062521, 2979197, 3021213, 3451149, 5220969, 8937591, 9063639, 13520971, 15662907, 22624199, 26812773, 38729561, 40562913, 67872597, 116188683, 121688739, 175772623, 203617791, 348566049, 527317869, 1581953607, 2285044099, 6855132297, 20565396891]

約数ペア:

[(1, 20565396891), (3, 6855132297), (9, 2285044099), (13, 1581953607), (39, 527317869), (59, 348566049), (101, 203617791), (117, 175772623), (169, 121688739), (177, 116188683), (303, 67872597), (507, 40562913), (531, 38729561), (767, 26812773), (909, 22624199), (1313, 15662907), (1521, 13520971), (2269, 9063639), (2301, 8937591), (3939, 5220969), (5959, 3451149), (6807, 3021213), (6903, 2979197), (9971, 2062521), (11817, 1740323), (17069, 1204839), (17877, 1150383), (20421, 1007071), (29497, 697203), (29913, 687507), (51207, 401613), (53631, 383461), (77467, 265473), (88491, 232401), (89739, 229169), (133871, 153621)]