20409869985

素因数分解:

$3^1\times 5^1\times {\mathrm{3037}}^1\times {\mathrm{448027}}^1$

素因数の和:451072

約数の個数: 16

約数和(自身を含む): 32666617536

約数和(自身を除く): 12256747551

約数列:

[1, 3, 5, 15, 3037, 9111, 15185, 45555, 448027, 1344081, 2240135, 6720405, 1360657999, 4081973997, 6803289995, 20409869985]

約数ペア:

[(1, 20409869985), (3, 6803289995), (5, 4081973997), (15, 1360657999), (3037, 6720405), (9111, 2240135), (15185, 1344081), (45555, 448027)]