20517786

素因数分解:

$2^1\times 3^4\times {\mathrm{126653}}^1$

素因数の和:126667

約数の個数: 20

約数和(自身を含む): 45975402

約数和(自身を除く): 25457616

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 126653, 253306, 379959, 759918, 1139877, 2279754, 3419631, 6839262, 10258893, 20517786]

約数ペア:

[(1, 20517786), (2, 10258893), (3, 6839262), (6, 3419631), (9, 2279754), (18, 1139877), (27, 759918), (54, 379959), (81, 253306), (162, 126653)]