20162116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20407}}^1$

素因数の和:20443

約数の個数: 24

約数和(自身を含む): 39999680

約数和(自身を除く): 19837564

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20407, 40814, 81628, 265291, 387733, 530582, 775466, 1061164, 1550932, 5040529, 10081058, 20162116]

約数ペア:

[(1, 20162116), (2, 10081058), (4, 5040529), (13, 1550932), (19, 1061164), (26, 775466), (38, 530582), (52, 387733), (76, 265291), (247, 81628), (494, 40814), (988, 20407)]