20404700919

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1\times {\mathrm{54881}}^1$

素因数の和:55375

約数の個数: 24

約数和(自身を含む): 29822878800

約数和(自身を除く): 9418177881

約数列:

[1, 3, 9, 109, 327, 379, 981, 1137, 3411, 41311, 54881, 123933, 164643, 371799, 493929, 5982029, 17946087, 20799899, 53838261, 62399697, 187199091, 2267188991, 6801566973, 20404700919]

約数ペア:

[(1, 20404700919), (3, 6801566973), (9, 2267188991), (109, 187199091), (327, 62399697), (379, 53838261), (981, 20799899), (1137, 17946087), (3411, 5982029), (41311, 493929), (54881, 371799), (123933, 164643)]