20214440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4723}}^1$

素因数の和:4841

約数の個数: 32

約数和(自身を含む): 45917280

約数和(自身を除く): 25702840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4723, 9446, 18892, 23615, 37784, 47230, 94460, 188920, 505361, 1010722, 2021444, 2526805, 4042888, 5053610, 10107220, 20214440]

約数ペア:

[(1, 20214440), (2, 10107220), (4, 5053610), (5, 4042888), (8, 2526805), (10, 2021444), (20, 1010722), (40, 505361), (107, 188920), (214, 94460), (428, 47230), (535, 37784), (856, 23615), (1070, 18892), (2140, 9446), (4280, 4723)]