20077735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 5427545

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2459, 8165, 12295, 56557, 174589, 282785, 872945, 4015547, 20077735]

約数ペア:

[(1, 20077735), (5, 4015547), (23, 872945), (71, 282785), (115, 174589), (355, 56557), (1633, 12295), (2459, 8165)]