20218659069

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{115429}}^1$

素因数の和:115897

約数の個数: 32

約数和(自身を含む): 32505088000

約数和(自身を除く): 12286428931

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 439, 1317, 3073, 8341, 9219, 25023, 58387, 115429, 175161, 346287, 808003, 2193151, 2424009, 6579453, 15352057, 46056171, 50673331, 152019993, 354713317, 962793289, 1064139951, 2888379867, 6739553023, 20218659069]

約数ペア:

[(1, 20218659069), (3, 6739553023), (7, 2888379867), (19, 1064139951), (21, 962793289), (57, 354713317), (133, 152019993), (399, 50673331), (439, 46056171), (1317, 15352057), (3073, 6579453), (8341, 2424009), (9219, 2193151), (25023, 808003), (58387, 346287), (115429, 175161)]