20877657

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 28833792

約数和(自身を除く): 7956135

約数列:

[1, 3, 37, 111, 127, 381, 1481, 4443, 4699, 14097, 54797, 164391, 188087, 564261, 6959219, 20877657]

約数ペア:

[(1, 20877657), (3, 6959219), (37, 564261), (111, 188087), (127, 164391), (381, 54797), (1481, 14097), (4443, 4699)]