20887770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11801}}^1$

素因数の和:11870

約数の個数: 32

約数和(自身を含む): 50984640

約数和(自身を除く): 30096870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 11801, 23602, 35403, 59005, 70806, 118010, 177015, 354030, 696259, 1392518, 2088777, 3481295, 4177554, 6962590, 10443885, 20887770]

約数ペア:

[(1, 20887770), (2, 10443885), (3, 6962590), (5, 4177554), (6, 3481295), (10, 2088777), (15, 1392518), (30, 696259), (59, 354030), (118, 177015), (177, 118010), (295, 70806), (354, 59005), (590, 35403), (885, 23602), (1770, 11801)]