20209881885

素因数分解:

$3^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1053421}}^1$

素因数の和:1054708

約数の個数: 16

約数和(自身を含む): 32361123840

約数和(自身を除く): 12151241955

約数列:

[1, 3, 5, 15, 1279, 3837, 6395, 19185, 1053421, 3160263, 5267105, 15801315, 1347325459, 4041976377, 6736627295, 20209881885]

約数ペア:

[(1, 20209881885), (3, 6736627295), (5, 4041976377), (15, 1347325459), (1279, 15801315), (3837, 5267105), (6395, 3160263), (19185, 1053421)]