20199874215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{437653}}^1$

素因数の和:437859

約数の個数: 32

約数和(自身を含む): 34410108096

約数和(自身を除く): 14210233881

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 2715, 3077, 9231, 15385, 46155, 437653, 1312959, 2188265, 6564795, 7440101, 22320303, 37200505, 79215193, 111601515, 237645579, 396075965, 1188227895, 1346658281, 4039974843, 6733291405, 20199874215]

約数ペア:

[(1, 20199874215), (3, 6733291405), (5, 4039974843), (15, 1346658281), (17, 1188227895), (51, 396075965), (85, 237645579), (181, 111601515), (255, 79215193), (543, 37200505), (905, 22320303), (2715, 7440101), (3077, 6564795), (9231, 2188265), (15385, 1312959), (46155, 437653)]