20985336

素因数分解:

$2^3\times 3^2\times {\mathrm{383}}^1\times {\mathrm{761}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 57058560

約数和(自身を除く): 36073224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 383, 761, 766, 1149, 1522, 1532, 2283, 2298, 3044, 3064, 3447, 4566, 4596, 6088, 6849, 6894, 9132, 9192, 13698, 13788, 18264, 27396, 27576, 54792, 291463, 582926, 874389, 1165852, 1748778, 2331704, 2623167, 3497556, 5246334, 6995112, 10492668, 20985336]

約数ペア:

[(1, 20985336), (2, 10492668), (3, 6995112), (4, 5246334), (6, 3497556), (8, 2623167), (9, 2331704), (12, 1748778), (18, 1165852), (24, 874389), (36, 582926), (72, 291463), (383, 54792), (761, 27576), (766, 27396), (1149, 18264), (1522, 13788), (1532, 13698), (2283, 9192), (2298, 9132), (3044, 6894), (3064, 6849), (3447, 6088), (4566, 4596)]