20692971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1187}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 11739429

約数列:

[1, 3, 9, 13, 39, 117, 149, 447, 1187, 1341, 1937, 3561, 5811, 10683, 15431, 17433, 46293, 138879, 176863, 530589, 1591767, 2299219, 6897657, 20692971]

約数ペア:

[(1, 20692971), (3, 6897657), (9, 2299219), (13, 1591767), (39, 530589), (117, 176863), (149, 138879), (447, 46293), (1187, 17433), (1341, 15431), (1937, 10683), (3561, 5811)]