220349998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{20399}}^1$

素因数の和:20903

約数の個数: 16

約数和(自身を含む): 361324800

約数和(自身を除く): 140974802

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 20399, 40798, 224389, 448778, 10015909, 20031818, 110174999, 220349998]

約数ペア:

[(1, 220349998), (2, 110174999), (11, 20031818), (22, 10015909), (491, 448778), (982, 224389), (5401, 40798), (10802, 20399)]