20199388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11197}}^1$

素因数の和:11253

約数の個数: 24

約数和(自身を含む): 39506544

約数和(自身を除く): 19307156

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11197, 22394, 44788, 123167, 246334, 459077, 492668, 918154, 1836308, 5049847, 10099694, 20199388]

約数ペア:

[(1, 20199388), (2, 10099694), (4, 5049847), (11, 1836308), (22, 918154), (41, 492668), (44, 459077), (82, 246334), (164, 123167), (451, 44788), (902, 22394), (1804, 11197)]