20579418

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 47721960

約数和(自身を除く): 27142542

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 109, 153, 218, 306, 327, 617, 654, 981, 1234, 1851, 1853, 1962, 3702, 3706, 5553, 5559, 10489, 11106, 11118, 16677, 20978, 31467, 33354, 62934, 67253, 94401, 134506, 188802, 201759, 403518, 605277, 1143301, 1210554, 2286602, 3429903, 6859806, 10289709, 20579418]

約数ペア:

[(1, 20579418), (2, 10289709), (3, 6859806), (6, 3429903), (9, 2286602), (17, 1210554), (18, 1143301), (34, 605277), (51, 403518), (102, 201759), (109, 188802), (153, 134506), (218, 94401), (306, 67253), (327, 62934), (617, 33354), (654, 31467), (981, 20978), (1234, 16677), (1851, 11118), (1853, 11106), (1962, 10489), (3702, 5559), (3706, 5553)]