20288065

素因数分解:

$5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1291}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 27907200

約数和(自身を除く): 7619135

約数列:

[1, 5, 7, 35, 449, 1291, 2245, 3143, 6455, 9037, 15715, 45185, 579659, 2898295, 4057613, 20288065]

約数ペア:

[(1, 20288065), (5, 4057613), (7, 2898295), (35, 579659), (449, 45185), (1291, 15715), (2245, 9037), (3143, 6455)]