20655814

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 31564800

約数和(自身を除く): 10908986

約数列:

[1, 2, 79, 158, 239, 478, 547, 1094, 18881, 37762, 43213, 86426, 130733, 261466, 10327907, 20655814]

約数ペア:

[(1, 20655814), (2, 10327907), (79, 261466), (158, 130733), (239, 86426), (478, 43213), (547, 37762), (1094, 18881)]