20724606

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32497794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 109, 126, 189, 218, 327, 378, 503, 654, 763, 981, 1006, 1509, 1526, 1962, 2289, 2943, 3018, 3521, 4527, 4578, 5886, 6867, 7042, 9054, 10563, 13581, 13734, 20601, 21126, 27162, 31689, 41202, 54827, 63378, 95067, 109654, 164481, 190134, 328962, 383789, 493443, 767578, 986886, 1151367, 1480329, 2302734, 2960658, 3454101, 6908202, 10362303, 20724606]

約数ペア:

[(1, 20724606), (2, 10362303), (3, 6908202), (6, 3454101), (7, 2960658), (9, 2302734), (14, 1480329), (18, 1151367), (21, 986886), (27, 767578), (42, 493443), (54, 383789), (63, 328962), (109, 190134), (126, 164481), (189, 109654), (218, 95067), (327, 63378), (378, 54827), (503, 41202), (654, 31689), (763, 27162), (981, 21126), (1006, 20601), (1509, 13734), (1526, 13581), (1962, 10563), (2289, 9054), (2943, 7042), (3018, 6867), (3521, 5886), (4527, 4578)]