20114559

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 31619952

約数和(自身を除く): 11505393

約数列:

[1, 3, 9, 19, 41, 57, 123, 151, 171, 361, 369, 453, 779, 1083, 1359, 2337, 2869, 3249, 6191, 7011, 8607, 14801, 18573, 25821, 44403, 54511, 55719, 117629, 133209, 163533, 352887, 490599, 1058661, 2234951, 6704853, 20114559]

約数ペア:

[(1, 20114559), (3, 6704853), (9, 2234951), (19, 1058661), (41, 490599), (57, 352887), (123, 163533), (151, 133209), (171, 117629), (361, 55719), (369, 54511), (453, 44403), (779, 25821), (1083, 18573), (1359, 14801), (2337, 8607), (2869, 7011), (3249, 6191)]