20509803

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1$

素因数の和:3683

約数の個数: 24

約数和(自身を含む): 32224608

約数和(自身を除く): 11714805

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3623, 5661, 10869, 32607, 61591, 134051, 184773, 402153, 554319, 1206459, 2278867, 6836601, 20509803]

約数ペア:

[(1, 20509803), (3, 6836601), (9, 2278867), (17, 1206459), (37, 554319), (51, 402153), (111, 184773), (153, 134051), (333, 61591), (629, 32607), (1887, 10869), (3623, 5661)]