20509958110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10099}}^1\times {\mathrm{4723}}^1$

素因数の和:14872

約数の個数: 32

約数和(自身を含む): 37788220800

約数和(自身を除く): 17278262690

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4723, 9446, 10099, 20198, 23615, 47230, 50495, 100990, 203089, 406178, 434257, 868514, 1015445, 2030890, 2171285, 4342570, 47697577, 95395154, 238487885, 476975770, 2050995811, 4101991622, 10254979055, 20509958110]

約数ペア:

[(1, 20509958110), (2, 10254979055), (5, 4101991622), (10, 2050995811), (43, 476975770), (86, 238487885), (215, 95395154), (430, 47697577), (4723, 4342570), (9446, 2171285), (10099, 2030890), (20198, 1015445), (23615, 868514), (47230, 434257), (50495, 406178), (100990, 203089)]