20278341

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 30803136

約数和(自身を除く): 10524795

約数列:

[1, 3, 9, 23, 69, 163, 207, 489, 601, 1467, 1803, 3749, 5409, 11247, 13823, 33741, 41469, 97963, 124407, 293889, 881667, 2253149, 6759447, 20278341]

約数ペア:

[(1, 20278341), (3, 6759447), (9, 2253149), (23, 881667), (69, 293889), (163, 124407), (207, 97963), (489, 41469), (601, 33741), (1467, 13823), (1803, 11247), (3749, 5409)]