20296557

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 31045248

約数和(自身を除く): 10748691

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1381, 1633, 4143, 4899, 12429, 14697, 31763, 95289, 98051, 285867, 294153, 882459, 2255173, 6765519, 20296557]

約数ペア:

[(1, 20296557), (3, 6765519), (9, 2255173), (23, 882459), (69, 294153), (71, 285867), (207, 98051), (213, 95289), (639, 31763), (1381, 14697), (1633, 12429), (4143, 4899)]