20938945995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42300901}}^1$

素因数の和:42300923

約数の個数: 24

約数和(自身を含む): 39593644272

約数和(自身を除く): 18654698277

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42300901, 126902703, 211504505, 380708109, 465309911, 634513515, 1395929733, 1903540545, 2326549555, 4187789199, 6979648665, 20938945995]

約数ペア:

[(1, 20938945995), (3, 6979648665), (5, 4187789199), (9, 2326549555), (11, 1903540545), (15, 1395929733), (33, 634513515), (45, 465309911), (55, 380708109), (99, 211504505), (165, 126902703), (495, 42300901)]