20686677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1489}}^1$

素因数の和:1924

約数の個数: 16

約数和(自身を含む): 30181440

約数和(自身を除く): 9494763

約数列:

[1, 3, 11, 33, 421, 1263, 1489, 4467, 4631, 13893, 16379, 49137, 626869, 1880607, 6895559, 20686677]

約数ペア:

[(1, 20686677), (3, 6895559), (11, 1880607), (33, 626869), (421, 49137), (1263, 16379), (1489, 13893), (4467, 4631)]