20654403

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89413}}^1$

素因数の和:89434

約数の個数: 16

約数和(自身を含む): 34334976

約数和(自身を除く): 13680573

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 89413, 268239, 625891, 983543, 1877673, 2950629, 6884801, 20654403]

約数ペア:

[(1, 20654403), (3, 6884801), (7, 2950629), (11, 1877673), (21, 983543), (33, 625891), (77, 268239), (231, 89413)]