20885851

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 24873408

約数和(自身を除く): 3987557

約数列:

[1, 7, 41, 61, 287, 427, 1193, 2501, 8351, 17507, 48913, 72773, 342391, 509411, 2983693, 20885851]

約数ペア:

[(1, 20885851), (7, 2983693), (41, 509411), (61, 342391), (287, 72773), (427, 48913), (1193, 17507), (2501, 8351)]