20333800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5351}}^1$

素因数の和:5386

約数の個数: 48

約数和(自身を含む): 49773600

約数和(自身を除く): 29439800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5351, 10702, 21404, 26755, 42808, 53510, 101669, 107020, 133775, 203338, 214040, 267550, 406676, 508345, 535100, 813352, 1016690, 1070200, 2033380, 2541725, 4066760, 5083450, 10166900, 20333800]

約数ペア:

[(1, 20333800), (2, 10166900), (4, 5083450), (5, 4066760), (8, 2541725), (10, 2033380), (19, 1070200), (20, 1016690), (25, 813352), (38, 535100), (40, 508345), (50, 406676), (76, 267550), (95, 214040), (100, 203338), (152, 133775), (190, 107020), (200, 101669), (380, 53510), (475, 42808), (760, 26755), (950, 21404), (1900, 10702), (3800, 5351)]