20890694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6373}}^1$

素因数の和:6535

約数の個数: 16

約数和(自身を含む): 34419600

約数和(自身を除く): 13528906

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6373, 12746, 70103, 140206, 949577, 1899154, 10445347, 20890694]

約数ペア:

[(1, 20890694), (2, 10445347), (11, 1899154), (22, 949577), (149, 140206), (298, 70103), (1639, 12746), (3278, 6373)]