27872020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126691}}^1$

素因数の和:126711

約数の個数: 24

約数和(自身を含む): 63852768

約数和(自身を除く): 35980748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126691, 253382, 506764, 633455, 1266910, 1393601, 2533820, 2787202, 5574404, 6968005, 13936010, 27872020]

約数ペア:

[(1, 27872020), (2, 13936010), (4, 6968005), (5, 5574404), (10, 2787202), (11, 2533820), (20, 1393601), (22, 1266910), (44, 633455), (55, 506764), (110, 253382), (220, 126691)]