20898927

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14423}}^1$

素因数の和:14459

約数の個数: 24

約数和(自身を含む): 36002304

約数和(自身を除く): 15103377

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14423, 43269, 100961, 129807, 302883, 331729, 908649, 995187, 2322103, 2985561, 6966309, 20898927]

約数ペア:

[(1, 20898927), (3, 6966309), (7, 2985561), (9, 2322103), (21, 995187), (23, 908649), (63, 331729), (69, 302883), (161, 129807), (207, 100961), (483, 43269), (1449, 14423)]