20975246115

素因数分解:

$3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2747249}}^1$

素因数の和:2747766

約数の個数: 16

約数和(自身を含む): 33626340000

約数和(自身を除く): 12651093885

約数列:

[1, 3, 5, 15, 509, 1527, 2545, 7635, 2747249, 8241747, 13736245, 41208735, 1398349741, 4195049223, 6991748705, 20975246115]

約数ペア:

[(1, 20975246115), (3, 6991748705), (5, 4195049223), (15, 1398349741), (509, 41208735), (1527, 13736245), (2545, 8241747), (7635, 2747249)]