20368180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145487}}^1$

素因数の和:145503

約数の個数: 24

約数和(自身を含む): 48883968

約数和(自身を除く): 28515788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145487, 290974, 581948, 727435, 1018409, 1454870, 2036818, 2909740, 4073636, 5092045, 10184090, 20368180]

約数ペア:

[(1, 20368180), (2, 10184090), (4, 5092045), (5, 4073636), (7, 2909740), (10, 2036818), (14, 1454870), (20, 1018409), (28, 727435), (35, 581948), (70, 290974), (140, 145487)]