20796531

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6151}}^1$

素因数の和:6191

約数の個数: 24

約数和(自身を含む): 33663744

約数和(自身を除く): 12867213

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 6151, 18453, 43057, 129171, 141473, 301399, 424419, 904197, 990311, 2970933, 6932177, 20796531]

約数ペア:

[(1, 20796531), (3, 6932177), (7, 2970933), (21, 990311), (23, 904197), (49, 424419), (69, 301399), (147, 141473), (161, 129171), (483, 43057), (1127, 18453), (3381, 6151)]