20215910407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{692729}}^1$

素因数の和:693126

約数の個数: 16

約数和(自身を含む): 25270790400

約数和(自身を除く): 5054879993

約数列:

[1, 7, 11, 77, 379, 2653, 4169, 29183, 692729, 4849103, 7620019, 53340133, 262544291, 1837810037, 2887987201, 20215910407]

約数ペア:

[(1, 20215910407), (7, 2887987201), (11, 1837810037), (77, 262544291), (379, 53340133), (2653, 7620019), (4169, 4849103), (29183, 692729)]