20509132788

素因数分解:

$2^2\times 3^2\times {\mathrm{3079}}^1\times {\mathrm{185027}}^1$

素因数の和:188116

約数の個数: 36

約数和(自身を含む): 51859647840

約数和(自身を除く): 31350515052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 3079, 6158, 9237, 12316, 18474, 27711, 36948, 55422, 110844, 185027, 370054, 555081, 740108, 1110162, 1665243, 2220324, 3330486, 6660972, 569698133, 1139396266, 1709094399, 2278792532, 3418188798, 5127283197, 6836377596, 10254566394, 20509132788]

約数ペア:

[(1, 20509132788), (2, 10254566394), (3, 6836377596), (4, 5127283197), (6, 3418188798), (9, 2278792532), (12, 1709094399), (18, 1139396266), (36, 569698133), (3079, 6660972), (6158, 3330486), (9237, 2220324), (12316, 1665243), (18474, 1110162), (27711, 740108), (36948, 555081), (55422, 370054), (110844, 185027)]