20206868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4547}}^1$

素因数の和:4663

約数の個数: 24

約数和(自身を含む): 38967264

約数和(自身を除く): 18760396

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 4547, 9094, 18188, 50017, 100034, 200068, 459247, 918494, 1836988, 5051717, 10103434, 20206868]

約数ペア:

[(1, 20206868), (2, 10103434), (4, 5051717), (11, 1836988), (22, 918494), (44, 459247), (101, 200068), (202, 100034), (404, 50017), (1111, 18188), (2222, 9094), (4444, 4547)]