20733560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27281}}^1$

素因数の和:27311

約数の個数: 32

約数和(自身を含む): 49107600

約数和(自身を除く): 28374040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27281, 54562, 109124, 136405, 218248, 272810, 518339, 545620, 1036678, 1091240, 2073356, 2591695, 4146712, 5183390, 10366780, 20733560]

約数ペア:

[(1, 20733560), (2, 10366780), (4, 5183390), (5, 4146712), (8, 2591695), (10, 2073356), (19, 1091240), (20, 1036678), (38, 545620), (40, 518339), (76, 272810), (95, 218248), (152, 136405), (190, 109124), (380, 54562), (760, 27281)]