20102043

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 29982720

約数和(自身を除く): 9880677

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1279, 3837, 5239, 15717, 16627, 39649, 49881, 118947, 216151, 515437, 648453, 1546311, 6700681, 20102043]

約数ペア:

[(1, 20102043), (3, 6700681), (13, 1546311), (31, 648453), (39, 515437), (93, 216151), (169, 118947), (403, 49881), (507, 39649), (1209, 16627), (1279, 15717), (3837, 5239)]