20681119481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{491273}}^1$

素因数の和:491416

約数の個数: 16

約数和(自身を含む): 23345340480

約数和(自身を除く): 2664220999

約数列:

[1, 11, 43, 89, 473, 979, 3827, 42097, 491273, 5404003, 21124739, 43723297, 232372129, 480956267, 1880101771, 20681119481]

約数ペア:

[(1, 20681119481), (11, 1880101771), (43, 480956267), (89, 232372129), (473, 43723297), (979, 21124739), (3827, 5404003), (42097, 491273)]