20707949079

素因数分解:

$3^3\times {\mathrm{3163}}^1\times {\mathrm{242479}}^1$

素因数の和:245651

約数の個数: 16

約数和(自身を含む): 30688268800

約数和(自身を除く): 9980319721

約数列:

[1, 3, 9, 27, 3163, 9489, 28467, 85401, 242479, 727437, 2182311, 6546933, 766961077, 2300883231, 6902649693, 20707949079]

約数ペア:

[(1, 20707949079), (3, 6902649693), (9, 2300883231), (27, 766961077), (3163, 6546933), (9489, 2182311), (28467, 727437), (85401, 242479)]