20792918

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1063

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 11049802

約数列:

[1, 2, 71, 142, 181, 362, 809, 1618, 12851, 25702, 57439, 114878, 146429, 292858, 10396459, 20792918]

約数ペア:

[(1, 20792918), (2, 10396459), (71, 292858), (142, 146429), (181, 114878), (362, 57439), (809, 25702), (1618, 12851)]