20111922514

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1\times {\mathrm{4139}}^1$

素因数の和:4786

約数の個数: 32

約数和(自身を含む): 31392990720

約数和(自身を除く): 11281068206

約数列:

[1, 2, 31, 62, 181, 362, 433, 866, 4139, 5611, 8278, 11222, 13423, 26846, 78373, 128309, 156746, 256618, 749159, 1498318, 1792187, 2429563, 3584374, 4859126, 23223929, 46447858, 55557797, 111115594, 324385847, 648771694, 10055961257, 20111922514]

約数ペア:

[(1, 20111922514), (2, 10055961257), (31, 648771694), (62, 324385847), (181, 111115594), (362, 55557797), (433, 46447858), (866, 23223929), (4139, 4859126), (5611, 3584374), (8278, 2429563), (11222, 1792187), (13423, 1498318), (26846, 749159), (78373, 256618), (128309, 156746)]