20337534

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 52116480

約数和(自身を除く): 31778946

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 173, 189, 311, 346, 378, 519, 622, 933, 1038, 1211, 1557, 1866, 2177, 2422, 2799, 3114, 3633, 4354, 4671, 5598, 6531, 7266, 8397, 9342, 10899, 13062, 16794, 19593, 21798, 32697, 39186, 53803, 58779, 65394, 107606, 117558, 161409, 322818, 376621, 484227, 753242, 968454, 1129863, 1452681, 2259726, 2905362, 3389589, 6779178, 10168767, 20337534]

約数ペア:

[(1, 20337534), (2, 10168767), (3, 6779178), (6, 3389589), (7, 2905362), (9, 2259726), (14, 1452681), (18, 1129863), (21, 968454), (27, 753242), (42, 484227), (54, 376621), (63, 322818), (126, 161409), (173, 117558), (189, 107606), (311, 65394), (346, 58779), (378, 53803), (519, 39186), (622, 32697), (933, 21798), (1038, 19593), (1211, 16794), (1557, 13062), (1866, 10899), (2177, 9342), (2422, 8397), (2799, 7266), (3114, 6531), (3633, 5598), (4354, 4671)]