20952135

素因数分解:

$3^3\times 5^1\times {\mathrm{155201}}^1$

素因数の和:155215

約数の個数: 16

約数和(自身を含む): 37248480

約数和(自身を除く): 16296345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155201, 465603, 776005, 1396809, 2328015, 4190427, 6984045, 20952135]

約数ペア:

[(1, 20952135), (3, 6984045), (5, 4190427), (9, 2328015), (15, 1396809), (27, 776005), (45, 465603), (135, 155201)]