20789964174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{455381}}^1$

素因数の和:456480

約数の個数: 32

約数和(自身を含む): 47563739136

約数和(自身を除く): 26773774962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1087, 2174, 3261, 6522, 7609, 15218, 22827, 45654, 455381, 910762, 1366143, 2732286, 3187667, 6375334, 9563001, 19126002, 494999147, 989998294, 1484997441, 2969994882, 3464994029, 6929988058, 10394982087, 20789964174]

約数ペア:

[(1, 20789964174), (2, 10394982087), (3, 6929988058), (6, 3464994029), (7, 2969994882), (14, 1484997441), (21, 989998294), (42, 494999147), (1087, 19126002), (2174, 9563001), (3261, 6375334), (6522, 3187667), (7609, 2732286), (15218, 1366143), (22827, 910762), (45654, 455381)]