20518047

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9011}}^1$

素因数の和:9051

約数の個数: 24

約数和(自身を含む): 33740928

約数和(自身を除く): 13222881

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9011, 27033, 81099, 99121, 207253, 297363, 621759, 892089, 1865277, 2279783, 6839349, 20518047]

約数ペア:

[(1, 20518047), (3, 6839349), (9, 2279783), (11, 1865277), (23, 892089), (33, 621759), (69, 297363), (99, 207253), (207, 99121), (253, 81099), (759, 27033), (2277, 9011)]