20194299207

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{270241}}^1$

素因数の和:270308

約数の個数: 36

約数和(自身を含む): 32124207024

約数和(自身を除く): 11929907817

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 361, 437, 1083, 1311, 3249, 3933, 8303, 24909, 74727, 270241, 810723, 2432169, 5134579, 6215543, 15403737, 18646629, 46211211, 55939887, 97557001, 118095317, 292671003, 354285951, 878013009, 1062857853, 2243811023, 6731433069, 20194299207]

約数ペア:

[(1, 20194299207), (3, 6731433069), (9, 2243811023), (19, 1062857853), (23, 878013009), (57, 354285951), (69, 292671003), (171, 118095317), (207, 97557001), (361, 55939887), (437, 46211211), (1083, 18646629), (1311, 15403737), (3249, 6215543), (3933, 5134579), (8303, 2432169), (24909, 810723), (74727, 270241)]