20797854

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 54172800

約数和(自身を除く): 33374946

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 59, 66, 77, 98, 109, 118, 147, 154, 177, 218, 231, 294, 327, 354, 413, 462, 539, 649, 654, 763, 826, 1078, 1199, 1239, 1298, 1526, 1617, 1947, 2289, 2398, 2478, 2891, 3234, 3597, 3894, 4543, 4578, 5341, 5782, 6431, 7194, 8393, 8673, 9086, 10682, 12862, 13629, 16023, 16786, 17346, 19293, 25179, 27258, 31801, 32046, 38586, 45017, 50358, 58751, 63602, 70741, 90034, 95403, 117502, 135051, 141482, 176253, 190806, 212223, 270102, 315119, 352506, 424446, 495187, 630238, 945357, 990374, 1485561, 1890714, 2971122, 3466309, 6932618, 10398927, 20797854]

約数ペア:

[(1, 20797854), (2, 10398927), (3, 6932618), (6, 3466309), (7, 2971122), (11, 1890714), (14, 1485561), (21, 990374), (22, 945357), (33, 630238), (42, 495187), (49, 424446), (59, 352506), (66, 315119), (77, 270102), (98, 212223), (109, 190806), (118, 176253), (147, 141482), (154, 135051), (177, 117502), (218, 95403), (231, 90034), (294, 70741), (327, 63602), (354, 58751), (413, 50358), (462, 45017), (539, 38586), (649, 32046), (654, 31801), (763, 27258), (826, 25179), (1078, 19293), (1199, 17346), (1239, 16786), (1298, 16023), (1526, 13629), (1617, 12862), (1947, 10682), (2289, 9086), (2398, 8673), (2478, 8393), (2891, 7194), (3234, 6431), (3597, 5782), (3894, 5341), (4543, 4578)]