20172205990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{638159}}^1$

素因数の和:638304

約数の個数: 32

約数和(自身を含む): 37906704000

約数和(自身を除く): 17734498010

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 1090, 3161, 6322, 15805, 31610, 638159, 1276318, 3190795, 6381590, 18506611, 37013222, 69559331, 92533055, 139118662, 185066110, 347796655, 695593310, 2017220599, 4034441198, 10086102995, 20172205990]

約数ペア:

[(1, 20172205990), (2, 10086102995), (5, 4034441198), (10, 2017220599), (29, 695593310), (58, 347796655), (109, 185066110), (145, 139118662), (218, 92533055), (290, 69559331), (545, 37013222), (1090, 18506611), (3161, 6381590), (6322, 3190795), (15805, 1276318), (31610, 638159)]