20950895

素因数分解:

$5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2161}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 28849728

約数和(自身を除く): 7898833

約数列:

[1, 5, 7, 35, 277, 1385, 1939, 2161, 9695, 10805, 15127, 75635, 598597, 2992985, 4190179, 20950895]

約数ペア:

[(1, 20950895), (5, 4190179), (7, 2992985), (35, 598597), (277, 75635), (1385, 15127), (1939, 10805), (2161, 9695)]