20061495

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 36571392

約数和(自身を除く): 16509897

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 197, 219, 279, 365, 465, 591, 657, 985, 1095, 1395, 1773, 2263, 2955, 3285, 6107, 6789, 8865, 11315, 14381, 18321, 20367, 30535, 33945, 43143, 54963, 71905, 91605, 101835, 129429, 215715, 274815, 445811, 647145, 1337433, 2229055, 4012299, 6687165, 20061495]

約数ペア:

[(1, 20061495), (3, 6687165), (5, 4012299), (9, 2229055), (15, 1337433), (31, 647145), (45, 445811), (73, 274815), (93, 215715), (155, 129429), (197, 101835), (219, 91605), (279, 71905), (365, 54963), (465, 43143), (591, 33945), (657, 30535), (985, 20367), (1095, 18321), (1395, 14381), (1773, 11315), (2263, 8865), (2955, 6789), (3285, 6107)]