20591942

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7621}}^1$

素因数の和:7823

約数の個数: 16

約数和(自身を含む): 35488032

約数和(自身を除く): 14896090

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 7621, 15242, 53347, 106694, 1470853, 2941706, 10295971, 20591942]

約数ペア:

[(1, 20591942), (2, 10295971), (7, 2941706), (14, 1470853), (193, 106694), (386, 53347), (1351, 15242), (2702, 7621)]