20627943

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16103}}^1$

素因数の和:16174

約数の個数: 16

約数和(自身を含む): 31950336

約数和(自身を除く): 11322393

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16103, 48309, 112721, 338163, 982283, 2946849, 6875981, 20627943]

約数ペア:

[(1, 20627943), (3, 6875981), (7, 2946849), (21, 982283), (61, 338163), (183, 112721), (427, 48309), (1281, 16103)]