123662020

素因数分解:

$2^2\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{5657}}^1$

素因数の和:6759

約数の個数: 24

約数和(自身を含む): 259973784

約数和(自身を除く): 136311764

約数列:

[1, 2, 4, 5, 10, 20, 1093, 2186, 4372, 5465, 5657, 10930, 11314, 21860, 22628, 28285, 56570, 113140, 6183101, 12366202, 24732404, 30915505, 61831010, 123662020]

約数ペア:

[(1, 123662020), (2, 61831010), (4, 30915505), (5, 24732404), (10, 12366202), (20, 6183101), (1093, 113140), (2186, 56570), (4372, 28285), (5465, 22628), (5657, 21860), (10930, 11314)]