20390305929

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10909741}}^1$

素因数の和:10909840

約数の個数: 16

約数和(自身を含む): 31420056960

約数和(自身を除く): 11029751031

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10909741, 32729223, 76368187, 229104561, 970966949, 2912900847, 6796768643, 20390305929]

約数ペア:

[(1, 20390305929), (3, 6796768643), (7, 2912900847), (21, 970966949), (89, 229104561), (267, 76368187), (623, 32729223), (1869, 10909741)]