20670045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7369}}^1$

素因数の和:7405

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 17536035

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7369, 22107, 36845, 81059, 110535, 125273, 243177, 375819, 405295, 626365, 1215885, 1378003, 1879095, 4134009, 6890015, 20670045]

約数ペア:

[(1, 20670045), (3, 6890015), (5, 4134009), (11, 1879095), (15, 1378003), (17, 1215885), (33, 626365), (51, 405295), (55, 375819), (85, 243177), (165, 125273), (187, 110535), (255, 81059), (561, 36845), (935, 22107), (2805, 7369)]