204092020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{11177}}^1$

素因数の和:11280

約数の個数: 48

約数和(自身を含む): 473231808

約数和(自身を除く): 269139788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 11177, 18260, 22354, 44708, 55885, 111770, 122947, 223540, 245894, 491788, 614735, 927691, 1229470, 1855382, 2458940, 3710764, 4638455, 9276910, 10204601, 18553820, 20409202, 40818404, 51023005, 102046010, 204092020]

約数ペア:

[(1, 204092020), (2, 102046010), (4, 51023005), (5, 40818404), (10, 20409202), (11, 18553820), (20, 10204601), (22, 9276910), (44, 4638455), (55, 3710764), (83, 2458940), (110, 1855382), (166, 1229470), (220, 927691), (332, 614735), (415, 491788), (830, 245894), (913, 223540), (1660, 122947), (1826, 111770), (3652, 55885), (4565, 44708), (9130, 22354), (11177, 18260)]