20959345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2909}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 27656640

約数和(自身を除く): 6697295

約数列:

[1, 5, 11, 55, 131, 655, 1441, 2909, 7205, 14545, 31999, 159995, 381079, 1905395, 4191869, 20959345]

約数ペア:

[(1, 20959345), (5, 4191869), (11, 1905395), (55, 381079), (131, 159995), (655, 31999), (1441, 14545), (2909, 7205)]