20984061

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16381}}^1$

素因数の和:16452

約数の個数: 16

約数和(自身を含む): 32501888

約数和(自身を除く): 11517827

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16381, 49143, 114667, 344001, 999241, 2997723, 6994687, 20984061]

約数ペア:

[(1, 20984061), (3, 6994687), (7, 2997723), (21, 999241), (61, 344001), (183, 114667), (427, 49143), (1281, 16381)]