20025540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111253}}^1$

素因数の和:111268

約数の個数: 36

約数和(自身を含む): 60744684

約数和(自身を除く): 40719144

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111253, 222506, 333759, 445012, 556265, 667518, 1001277, 1112530, 1335036, 1668795, 2002554, 2225060, 3337590, 4005108, 5006385, 6675180, 10012770, 20025540]

約数ペア:

[(1, 20025540), (2, 10012770), (3, 6675180), (4, 5006385), (5, 4005108), (6, 3337590), (9, 2225060), (10, 2002554), (12, 1668795), (15, 1335036), (18, 1112530), (20, 1001277), (30, 667518), (36, 556265), (45, 445012), (60, 333759), (90, 222506), (180, 111253)]