20877660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115987}}^1$

素因数の和:116002

約数の個数: 36

約数和(自身を含む): 63329448

約数和(自身を除く): 42451788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115987, 231974, 347961, 463948, 579935, 695922, 1043883, 1159870, 1391844, 1739805, 2087766, 2319740, 3479610, 4175532, 5219415, 6959220, 10438830, 20877660]

約数ペア:

[(1, 20877660), (2, 10438830), (3, 6959220), (4, 5219415), (5, 4175532), (6, 3479610), (9, 2319740), (10, 2087766), (12, 1739805), (15, 1391844), (18, 1159870), (20, 1043883), (30, 695922), (36, 579935), (45, 463948), (60, 347961), (90, 231974), (180, 115987)]