20611542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 51793920

約数和(自身を除く): 31182378

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1123, 1311, 2246, 2622, 3059, 3369, 6118, 6738, 7861, 9177, 15722, 18354, 21337, 23583, 25829, 42674, 47166, 51658, 64011, 77487, 128022, 149359, 154974, 180803, 298718, 361606, 448077, 490751, 542409, 896154, 981502, 1084818, 1472253, 2944506, 3435257, 6870514, 10305771, 20611542]

約数ペア:

[(1, 20611542), (2, 10305771), (3, 6870514), (6, 3435257), (7, 2944506), (14, 1472253), (19, 1084818), (21, 981502), (23, 896154), (38, 542409), (42, 490751), (46, 448077), (57, 361606), (69, 298718), (114, 180803), (133, 154974), (138, 149359), (161, 128022), (266, 77487), (322, 64011), (399, 51658), (437, 47166), (483, 42674), (798, 25829), (874, 23583), (966, 21337), (1123, 18354), (1311, 15722), (2246, 9177), (2622, 7861), (3059, 6738), (3369, 6118)]