20929786

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 32054400

約数和(自身を除く): 11124614

約数列:

[1, 2, 79, 139, 158, 278, 953, 1906, 10981, 21962, 75287, 132467, 150574, 264934, 10464893, 20929786]

約数ペア:

[(1, 20929786), (2, 10464893), (79, 264934), (139, 150574), (158, 132467), (278, 75287), (953, 21962), (1906, 10981)]