20000530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 39538368

約数和(自身を除く): 19537838

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1051, 1730, 1903, 2102, 3806, 5255, 9515, 10510, 11561, 19030, 23122, 57805, 115610, 181823, 363646, 909115, 1818230, 2000053, 4000106, 10000265, 20000530]

約数ペア:

[(1, 20000530), (2, 10000265), (5, 4000106), (10, 2000053), (11, 1818230), (22, 909115), (55, 363646), (110, 181823), (173, 115610), (346, 57805), (865, 23122), (1051, 19030), (1730, 11561), (1903, 10510), (2102, 9515), (3806, 5255)]