20154164840

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2090681}}^1$

素因数の和:2090933

約数の個数: 32

約数和(自身を含む): 45535053960

約数和(自身を除く): 25380889120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 2090681, 4181362, 8362724, 10453405, 16725448, 20906810, 41813620, 83627240, 503854121, 1007708242, 2015416484, 2519270605, 4030832968, 5038541210, 10077082420, 20154164840]

約数ペア:

[(1, 20154164840), (2, 10077082420), (4, 5038541210), (5, 4030832968), (8, 2519270605), (10, 2015416484), (20, 1007708242), (40, 503854121), (241, 83627240), (482, 41813620), (964, 20906810), (1205, 16725448), (1928, 10453405), (2410, 8362724), (4820, 4181362), (9640, 2090681)]