20187206571

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5032961}}^1$

素因数の和:5033162

約数の個数: 16

約数和(自身を含む): 30922518528

約数和(自身を除く): 10735311957

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5032961, 15098883, 35230727, 105692181, 961295551, 2883886653, 6729068857, 20187206571]

約数ペア:

[(1, 20187206571), (3, 6729068857), (7, 2883886653), (21, 961295551), (191, 105692181), (573, 35230727), (1337, 15098883), (4011, 5032961)]