20163505720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10725269}}^1$

素因数の和:10725327

約数の個数: 32

約数和(自身を含む): 46333166400

約数和(自身を除く): 26169660680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10725269, 21450538, 42901076, 53626345, 85802152, 107252690, 214505380, 429010760, 504087643, 1008175286, 2016350572, 2520438215, 4032701144, 5040876430, 10081752860, 20163505720]

約数ペア:

[(1, 20163505720), (2, 10081752860), (4, 5040876430), (5, 4032701144), (8, 2520438215), (10, 2016350572), (20, 1008175286), (40, 504087643), (47, 429010760), (94, 214505380), (188, 107252690), (235, 85802152), (376, 53626345), (470, 42901076), (940, 21450538), (1880, 10725269)]