20182275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4756

約数の個数: 36

約数和(自身を含む): 38059320

約数和(自身を除く): 17877045

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4721, 14163, 23605, 42489, 70815, 89699, 118025, 212445, 269097, 354075, 448495, 807291, 1062225, 1345485, 2242475, 4036455, 6727425, 20182275]

約数ペア:

[(1, 20182275), (3, 6727425), (5, 4036455), (9, 2242475), (15, 1345485), (19, 1062225), (25, 807291), (45, 448495), (57, 354075), (75, 269097), (95, 212445), (171, 118025), (225, 89699), (285, 70815), (475, 42489), (855, 23605), (1425, 14163), (4275, 4721)]