20731288

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{463}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 40507200

約数和(自身を除く): 19775912

約数列:

[1, 2, 4, 8, 29, 58, 116, 193, 232, 386, 463, 772, 926, 1544, 1852, 3704, 5597, 11194, 13427, 22388, 26854, 44776, 53708, 89359, 107416, 178718, 357436, 714872, 2591411, 5182822, 10365644, 20731288]

約数ペア:

[(1, 20731288), (2, 10365644), (4, 5182822), (8, 2591411), (29, 714872), (58, 357436), (116, 178718), (193, 107416), (232, 89359), (386, 53708), (463, 44776), (772, 26854), (926, 22388), (1544, 13427), (1852, 11194), (3704, 5597)]