20946172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1759}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 39670400

約数和(自身を除く): 18724228

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1759, 2977, 3518, 5954, 7036, 11908, 22867, 45734, 91468, 402811, 805622, 1611244, 5236543, 10473086, 20946172]

約数ペア:

[(1, 20946172), (2, 10473086), (4, 5236543), (13, 1611244), (26, 805622), (52, 402811), (229, 91468), (458, 45734), (916, 22867), (1759, 11908), (2977, 7036), (3518, 5954)]