20735495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 29258496

約数和(自身を除く): 8523001

約数列:

[1, 5, 11, 17, 55, 67, 85, 187, 331, 335, 737, 935, 1139, 1655, 3641, 3685, 5627, 5695, 12529, 18205, 22177, 28135, 61897, 62645, 110885, 243947, 309485, 377009, 1219735, 1885045, 4147099, 20735495]

約数ペア:

[(1, 20735495), (5, 4147099), (11, 1885045), (17, 1219735), (55, 377009), (67, 309485), (85, 243947), (187, 110885), (331, 62645), (335, 61897), (737, 28135), (935, 22177), (1139, 18205), (1655, 12529), (3641, 5695), (3685, 5627)]