20948021259

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{479}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 32151306240

約数和(自身を除く): 11203284981

約数列:

[1, 3, 11, 23, 33, 69, 157, 253, 367, 471, 479, 759, 1101, 1437, 1727, 3611, 4037, 5181, 5269, 8441, 10833, 11017, 12111, 15807, 25323, 33051, 39721, 57619, 75203, 92851, 119163, 121187, 172857, 175793, 225609, 278553, 363561, 527379, 633809, 827233, 1325237, 1729669, 1901427, 1933723, 2481699, 3975711, 4043239, 5189007, 5801169, 12129717, 14577607, 19026359, 27599501, 43732821, 44475629, 57079077, 82798503, 133426887, 303594511, 634788523, 910783533, 1904365569, 6982673753, 20948021259]

約数ペア:

[(1, 20948021259), (3, 6982673753), (11, 1904365569), (23, 910783533), (33, 634788523), (69, 303594511), (157, 133426887), (253, 82798503), (367, 57079077), (471, 44475629), (479, 43732821), (759, 27599501), (1101, 19026359), (1437, 14577607), (1727, 12129717), (3611, 5801169), (4037, 5189007), (5181, 4043239), (5269, 3975711), (8441, 2481699), (10833, 1933723), (11017, 1901427), (12111, 1729669), (15807, 1325237), (25323, 827233), (33051, 633809), (39721, 527379), (57619, 363561), (75203, 278553), (92851, 225609), (119163, 175793), (121187, 172857)]