20861631

素因数分解:

$3^4\times 7^1\times {\mathrm{36793}}^1$

素因数の和:36812

約数の個数: 20

約数和(自身を含む): 35616592

約数和(自身を除く): 14754961

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36793, 110379, 257551, 331137, 772653, 993411, 2317959, 2980233, 6953877, 20861631]

約数ペア:

[(1, 20861631), (3, 6953877), (7, 2980233), (9, 2317959), (21, 993411), (27, 772653), (63, 331137), (81, 257551), (189, 110379), (567, 36793)]