20693960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73907}}^1$

素因数の和:73925

約数の個数: 32

約数和(自身を含む): 53213760

約数和(自身を除く): 32519800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73907, 147814, 295628, 369535, 517349, 591256, 739070, 1034698, 1478140, 2069396, 2586745, 2956280, 4138792, 5173490, 10346980, 20693960]

約数ペア:

[(1, 20693960), (2, 10346980), (4, 5173490), (5, 4138792), (7, 2956280), (8, 2586745), (10, 2069396), (14, 1478140), (20, 1034698), (28, 739070), (35, 591256), (40, 517349), (56, 369535), (70, 295628), (140, 147814), (280, 73907)]