20627481

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6101}}^1$

素因数の和:6141

約数の個数: 24

約数和(自身を含む): 33390144

約数和(自身を除く): 12762663

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 6101, 18303, 42707, 128121, 140323, 298949, 420969, 896847, 982261, 2946783, 6875827, 20627481]

約数ペア:

[(1, 20627481), (3, 6875827), (7, 2946783), (21, 982261), (23, 896847), (49, 420969), (69, 298949), (147, 140323), (161, 128121), (483, 42707), (1127, 18303), (3381, 6101)]