20008902276

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{639589}}^1$

素因数の和:639689

約数の個数: 72

約数和(自身を含む): 55874582400

約数和(自身を除く): 35865680124

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 1422, 1738, 2607, 2844, 3476, 5214, 7821, 10428, 15642, 31284, 639589, 1279178, 1918767, 2558356, 3837534, 5756301, 7035479, 7675068, 11512602, 14070958, 21106437, 23025204, 28141916, 42212874, 50527531, 63319311, 84425748, 101055062, 126638622, 151582593, 202110124, 253277244, 303165186, 454747779, 555802841, 606330372, 909495558, 1111605682, 1667408523, 1818991116, 2223211364, 3334817046, 5002225569, 6669634092, 10004451138, 20008902276]

約数ペア:

[(1, 20008902276), (2, 10004451138), (3, 6669634092), (4, 5002225569), (6, 3334817046), (9, 2223211364), (11, 1818991116), (12, 1667408523), (18, 1111605682), (22, 909495558), (33, 606330372), (36, 555802841), (44, 454747779), (66, 303165186), (79, 253277244), (99, 202110124), (132, 151582593), (158, 126638622), (198, 101055062), (237, 84425748), (316, 63319311), (396, 50527531), (474, 42212874), (711, 28141916), (869, 23025204), (948, 21106437), (1422, 14070958), (1738, 11512602), (2607, 7675068), (2844, 7035479), (3476, 5756301), (5214, 3837534), (7821, 2558356), (10428, 1918767), (15642, 1279178), (31284, 639589)]