20105572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1931}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 37326240

約数和(自身を除く): 17220668

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 1931, 2603, 3862, 5206, 7724, 10412, 36689, 73378, 146756, 264547, 529094, 1058188, 5026393, 10052786, 20105572]

約数ペア:

[(1, 20105572), (2, 10052786), (4, 5026393), (19, 1058188), (38, 529094), (76, 264547), (137, 146756), (274, 73378), (548, 36689), (1931, 10412), (2603, 7724), (3862, 5206)]