20353113

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 33872256

約数和(自身を除く): 13519143

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 297, 431, 477, 583, 891, 1293, 1431, 1749, 3879, 4293, 4741, 5247, 11637, 14223, 15741, 22843, 34911, 42669, 47223, 68529, 128007, 205587, 251273, 384021, 616761, 753819, 1850283, 2261457, 6784371, 20353113]

約数ペア:

[(1, 20353113), (3, 6784371), (9, 2261457), (11, 1850283), (27, 753819), (33, 616761), (53, 384021), (81, 251273), (99, 205587), (159, 128007), (297, 68529), (431, 47223), (477, 42669), (583, 34911), (891, 22843), (1293, 15741), (1431, 14223), (1749, 11637), (3879, 5247), (4293, 4741)]