20187218979

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{32507599}}^1$

素因数の和:32507631

約数の個数: 16

約数和(自身を含む): 31207296000

約数和(自身を除く): 11020077021

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 32507599, 97522797, 292568391, 747674777, 877705173, 2243024331, 6729072993, 20187218979]

約数ペア:

[(1, 20187218979), (3, 6729072993), (9, 2243024331), (23, 877705173), (27, 747674777), (69, 292568391), (207, 97522797), (621, 32507599)]