20249516420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1326967}}^1$

素因数の和:1327092

約数の個数: 48

約数和(自身を含む): 49044737280

約数和(自身を除く): 28795220860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 1326967, 2653934, 5307868, 6634835, 9288769, 13269670, 18577538, 26539340, 37155076, 46443845, 92887690, 144639403, 185775380, 289278806, 578557612, 723197015, 1012475821, 1446394030, 2024951642, 2892788060, 4049903284, 5062379105, 10124758210, 20249516420]

約数ペア:

[(1, 20249516420), (2, 10124758210), (4, 5062379105), (5, 4049903284), (7, 2892788060), (10, 2024951642), (14, 1446394030), (20, 1012475821), (28, 723197015), (35, 578557612), (70, 289278806), (109, 185775380), (140, 144639403), (218, 92887690), (436, 46443845), (545, 37155076), (763, 26539340), (1090, 18577538), (1526, 13269670), (2180, 9288769), (3052, 6634835), (3815, 5307868), (7630, 2653934), (15260, 1326967)]