20019010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 39647232

約数和(自身を除く): 19628222

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1433, 2794, 2866, 6985, 7165, 13970, 14330, 15763, 31526, 78815, 157630, 181991, 363982, 909955, 1819910, 2001901, 4003802, 10009505, 20019010]

約数ペア:

[(1, 20019010), (2, 10009505), (5, 4003802), (10, 2001901), (11, 1819910), (22, 909955), (55, 363982), (110, 181991), (127, 157630), (254, 78815), (635, 31526), (1270, 15763), (1397, 14330), (1433, 13970), (2794, 7165), (2866, 6985)]