20800945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22247}}^1$

素因数の和:22280

約数の個数: 16

約数和(自身を含む): 28833408

約数和(自身を除く): 8032463

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22247, 111235, 244717, 378199, 1223585, 1890995, 4160189, 20800945]

約数ペア:

[(1, 20800945), (5, 4160189), (11, 1890995), (17, 1223585), (55, 378199), (85, 244717), (187, 111235), (935, 22247)]