20671570479

素因数分解:

$3^1\times 7^1\times {\mathrm{26053}}^1\times {\mathrm{37783}}^1$

素因数の和:63846

約数の個数: 16

約数和(自身を含む): 31501578752

約数和(自身を除く): 10830008273

約数列:

[1, 3, 7, 21, 26053, 37783, 78159, 113349, 182371, 264481, 547113, 793443, 984360499, 2953081497, 6890523493, 20671570479]

約数ペア:

[(1, 20671570479), (3, 6890523493), (7, 2953081497), (21, 984360499), (26053, 793443), (37783, 547113), (78159, 264481), (113349, 182371)]