20167508385

素因数分解:

$3^4\times 5^1\times {\mathrm{49796317}}^1$

素因数の和:49796334

約数の個数: 20

約数和(自身を含む): 36152126868

約数和(自身を除く): 15984618483

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49796317, 149388951, 248981585, 448166853, 746944755, 1344500559, 2240834265, 4033501677, 6722502795, 20167508385]

約数ペア:

[(1, 20167508385), (3, 6722502795), (5, 4033501677), (9, 2240834265), (15, 1344500559), (27, 746944755), (45, 448166853), (81, 248981585), (135, 149388951), (405, 49796317)]