20804429178

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29635939}}^1$

素因数の和:29635963

約数の個数: 32

約数和(自身を含む): 49788379200

約数和(自身を除く): 28983950022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29635939, 59271878, 88907817, 177815634, 266723451, 385267207, 533446902, 770534414, 800170353, 1155801621, 1600340706, 2311603242, 3467404863, 6934809726, 10402214589, 20804429178]

約数ペア:

[(1, 20804429178), (2, 10402214589), (3, 6934809726), (6, 3467404863), (9, 2311603242), (13, 1600340706), (18, 1155801621), (26, 800170353), (27, 770534414), (39, 533446902), (54, 385267207), (78, 266723451), (117, 177815634), (234, 88907817), (351, 59271878), (702, 29635939)]