20565197121

素因数分解:

$3^1\times 7^1\times {\mathrm{228647}}^1\times {\mathrm{4283}}^1$

素因数の和:232940

約数の個数: 16

約数和(自身を含む): 31344897024

約数和(自身を除く): 10779699903

約数列:

[1, 3, 7, 21, 4283, 12849, 29981, 89943, 228647, 685941, 1600529, 4801587, 979295101, 2937885303, 6855065707, 20565197121]

約数ペア:

[(1, 20565197121), (3, 6855065707), (7, 2937885303), (21, 979295101), (4283, 4801587), (12849, 1600529), (29981, 685941), (89943, 228647)]