20747000414

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27960917}}^1$

素因数の和:27960979

約数の個数: 16

約数和(自身を含む): 36237349728

約数和(自身を除く): 15490349314

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27960917, 55921834, 195726419, 391452838, 1481928601, 2963857202, 10373500207, 20747000414]

約数ペア:

[(1, 20747000414), (2, 10373500207), (7, 2963857202), (14, 1481928601), (53, 391452838), (106, 195726419), (371, 55921834), (742, 27960917)]