20055355

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 26115264

約数和(自身を除く): 6059909

約数列:

[1, 5, 19, 41, 95, 205, 271, 361, 779, 1355, 1805, 3895, 5149, 11111, 14801, 25745, 55555, 74005, 97831, 211109, 489155, 1055545, 4011071, 20055355]

約数ペア:

[(1, 20055355), (5, 4011071), (19, 1055545), (41, 489155), (95, 211109), (205, 97831), (271, 74005), (361, 55555), (779, 25745), (1355, 14801), (1805, 11111), (3895, 5149)]