20206760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72167}}^1$

素因数の和:72185

約数の個数: 32

約数和(自身を含む): 51960960

約数和(自身を除く): 31754200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72167, 144334, 288668, 360835, 505169, 577336, 721670, 1010338, 1443340, 2020676, 2525845, 2886680, 4041352, 5051690, 10103380, 20206760]

約数ペア:

[(1, 20206760), (2, 10103380), (4, 5051690), (5, 4041352), (7, 2886680), (8, 2525845), (10, 2020676), (14, 1443340), (20, 1010338), (28, 721670), (35, 577336), (40, 505169), (56, 360835), (70, 288668), (140, 144334), (280, 72167)]