20207560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29717}}^1$

素因数の和:29745

約数の個数: 32

約数和(自身を含む): 48143160

約数和(自身を除く): 27935600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29717, 59434, 118868, 148585, 237736, 297170, 505189, 594340, 1010378, 1188680, 2020756, 2525945, 4041512, 5051890, 10103780, 20207560]

約数ペア:

[(1, 20207560), (2, 10103780), (4, 5051890), (5, 4041512), (8, 2525945), (10, 2020756), (17, 1188680), (20, 1010378), (34, 594340), (40, 505189), (68, 297170), (85, 237736), (136, 148585), (170, 118868), (340, 59434), (680, 29717)]