20795405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 27075384

約数和(自身を除く): 6279979

約数列:

[1, 5, 19, 41, 95, 205, 281, 361, 779, 1405, 1805, 3895, 5339, 11521, 14801, 26695, 57605, 74005, 101441, 218899, 507205, 1094495, 4159081, 20795405]

約数ペア:

[(1, 20795405), (5, 4159081), (19, 1094495), (41, 507205), (95, 218899), (205, 101441), (281, 74005), (361, 57605), (779, 26695), (1405, 14801), (1805, 11521), (3895, 5339)]