20665746

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 46358400

約数和(自身を除く): 25692654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3511, 5886, 7022, 10533, 21066, 31599, 63198, 94797, 189594, 382699, 765398, 1148097, 2296194, 3444291, 6888582, 10332873, 20665746]

約数ペア:

[(1, 20665746), (2, 10332873), (3, 6888582), (6, 3444291), (9, 2296194), (18, 1148097), (27, 765398), (54, 382699), (109, 189594), (218, 94797), (327, 63198), (654, 31599), (981, 21066), (1962, 10533), (2943, 7022), (3511, 5886)]