20219320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45953}}^1$

素因数の和:45975

約数の個数: 32

約数和(自身を含む): 49630320

約数和(自身を除く): 29411000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45953, 91906, 183812, 229765, 367624, 459530, 505483, 919060, 1010966, 1838120, 2021932, 2527415, 4043864, 5054830, 10109660, 20219320]

約数ペア:

[(1, 20219320), (2, 10109660), (4, 5054830), (5, 4043864), (8, 2527415), (10, 2021932), (11, 1838120), (20, 1010966), (22, 919060), (40, 505483), (44, 459530), (55, 367624), (88, 229765), (110, 183812), (220, 91906), (440, 45953)]