20127700

素因数分解:

$2^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{467}}^1$

素因数の和:912

約数の個数: 36

約数和(自身を含む): 43872192

約数和(自身を除く): 23744492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 431, 467, 862, 934, 1724, 1868, 2155, 2335, 4310, 4670, 8620, 9340, 10775, 11675, 21550, 23350, 43100, 46700, 201277, 402554, 805108, 1006385, 2012770, 4025540, 5031925, 10063850, 20127700]

約数ペア:

[(1, 20127700), (2, 10063850), (4, 5031925), (5, 4025540), (10, 2012770), (20, 1006385), (25, 805108), (50, 402554), (100, 201277), (431, 46700), (467, 43100), (862, 23350), (934, 21550), (1724, 11675), (1868, 10775), (2155, 9340), (2335, 8620), (4310, 4670)]