20981670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5507}}^1$

素因数の和:5644

約数の個数: 32

約数和(自身を含む): 50761728

約数和(自身を除く): 29780058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5507, 11014, 16521, 27535, 33042, 55070, 82605, 165210, 699389, 1398778, 2098167, 3496945, 4196334, 6993890, 10490835, 20981670]

約数ペア:

[(1, 20981670), (2, 10490835), (3, 6993890), (5, 4196334), (6, 3496945), (10, 2098167), (15, 1398778), (30, 699389), (127, 165210), (254, 82605), (381, 55070), (635, 33042), (762, 27535), (1270, 16521), (1905, 11014), (3810, 5507)]