20965972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{811}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 38469312

約数和(自身を除く): 17503340

約数列:

[1, 2, 4, 23, 46, 92, 281, 562, 811, 1124, 1622, 3244, 6463, 12926, 18653, 25852, 37306, 74612, 227891, 455782, 911564, 5241493, 10482986, 20965972]

約数ペア:

[(1, 20965972), (2, 10482986), (4, 5241493), (23, 911564), (46, 455782), (92, 227891), (281, 74612), (562, 37306), (811, 25852), (1124, 18653), (1622, 12926), (3244, 6463)]