20313181

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 24727680

約数和(自身を除く): 4414499

約数列:

[1, 7, 17, 119, 211, 809, 1477, 3587, 5663, 13753, 25109, 96271, 170699, 1194893, 2901883, 20313181]

約数ペア:

[(1, 20313181), (7, 2901883), (17, 1194893), (119, 170699), (211, 96271), (809, 25109), (1477, 13753), (3587, 5663)]