20013774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1153}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 43870464

約数和(自身を除く): 23856690

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 263, 526, 789, 1153, 1578, 2306, 2893, 3459, 5786, 6918, 8679, 12683, 17358, 25366, 38049, 76098, 303239, 606478, 909717, 1819434, 3335629, 6671258, 10006887, 20013774]

約数ペア:

[(1, 20013774), (2, 10006887), (3, 6671258), (6, 3335629), (11, 1819434), (22, 909717), (33, 606478), (66, 303239), (263, 76098), (526, 38049), (789, 25366), (1153, 17358), (1578, 12683), (2306, 8679), (2893, 6918), (3459, 5786)]