20132156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 19875364

約数列:

[1, 2, 4, 11, 22, 44, 53, 89, 97, 106, 178, 194, 212, 356, 388, 583, 979, 1067, 1166, 1958, 2134, 2332, 3916, 4268, 4717, 5141, 8633, 9434, 10282, 17266, 18868, 20564, 34532, 51887, 56551, 94963, 103774, 113102, 189926, 207548, 226204, 379852, 457549, 915098, 1830196, 5033039, 10066078, 20132156]

約数ペア:

[(1, 20132156), (2, 10066078), (4, 5033039), (11, 1830196), (22, 915098), (44, 457549), (53, 379852), (89, 226204), (97, 207548), (106, 189926), (178, 113102), (194, 103774), (212, 94963), (356, 56551), (388, 51887), (583, 34532), (979, 20564), (1067, 18868), (1166, 17266), (1958, 10282), (2134, 9434), (2332, 8633), (3916, 5141), (4268, 4717)]