20391066

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 47018400

約数和(自身を除く): 26627334

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 109, 114, 171, 218, 327, 342, 547, 654, 981, 1094, 1641, 1962, 2071, 3282, 4142, 4923, 6213, 9846, 10393, 12426, 18639, 20786, 31179, 37278, 59623, 62358, 93537, 119246, 178869, 187074, 357738, 536607, 1073214, 1132837, 2265674, 3398511, 6797022, 10195533, 20391066]

約数ペア:

[(1, 20391066), (2, 10195533), (3, 6797022), (6, 3398511), (9, 2265674), (18, 1132837), (19, 1073214), (38, 536607), (57, 357738), (109, 187074), (114, 178869), (171, 119246), (218, 93537), (327, 62358), (342, 59623), (547, 37278), (654, 31179), (981, 20786), (1094, 18639), (1641, 12426), (1962, 10393), (2071, 9846), (3282, 6213), (4142, 4923)]