20719686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2579}}^1$

素因数の和:2700

約数の個数: 32

約数和(自身を含む): 45077760

約数和(自身を除く): 24358074

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2579, 2678, 4017, 5158, 7737, 8034, 15474, 33527, 67054, 100581, 201162, 265637, 531274, 796911, 1593822, 3453281, 6906562, 10359843, 20719686]

約数ペア:

[(1, 20719686), (2, 10359843), (3, 6906562), (6, 3453281), (13, 1593822), (26, 796911), (39, 531274), (78, 265637), (103, 201162), (206, 100581), (309, 67054), (618, 33527), (1339, 15474), (2579, 8034), (2678, 7737), (4017, 5158)]