20152100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:6992

約数の個数: 36

約数和(自身を含む): 45244500

約数和(自身を除く): 25092400

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6949, 13898, 27796, 34745, 69490, 138980, 173725, 201521, 347450, 403042, 694900, 806084, 1007605, 2015210, 4030420, 5038025, 10076050, 20152100]

約数ペア:

[(1, 20152100), (2, 10076050), (4, 5038025), (5, 4030420), (10, 2015210), (20, 1007605), (25, 806084), (29, 694900), (50, 403042), (58, 347450), (100, 201521), (116, 173725), (145, 138980), (290, 69490), (580, 34745), (725, 27796), (1450, 13898), (2900, 6949)]