20899687557

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24273737}}^1$

素因数の和:24273788

約数の個数: 16

約数和(自身を含む): 32623903872

約数和(自身を除く): 11724216315

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24273737, 72821211, 169916159, 509748477, 995223217, 2985669651, 6966562519, 20899687557]

約数ペア:

[(1, 20899687557), (3, 6966562519), (7, 2985669651), (21, 995223217), (41, 509748477), (123, 169916159), (287, 72821211), (861, 24273737)]