20702691

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 31539456

約数和(自身を除く): 10836765

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 927, 971, 2369, 2913, 7107, 8739, 21321, 22333, 66999, 100013, 200997, 300039, 900117, 2300299, 6900897, 20702691]

約数ペア:

[(1, 20702691), (3, 6900897), (9, 2300299), (23, 900117), (69, 300039), (103, 200997), (207, 100013), (309, 66999), (927, 22333), (971, 21321), (2369, 8739), (2913, 7107)]