20163927820

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1324831}}^1$

素因数の和:1325601

約数の個数: 24

約数和(自身を含む): 42399923328

約数和(自身を除く): 22235995508

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 15220, 1324831, 2649662, 5299324, 6624155, 13248310, 26496620, 1008196391, 2016392782, 4032785564, 5040981955, 10081963910, 20163927820]

約数ペア:

[(1, 20163927820), (2, 10081963910), (4, 5040981955), (5, 4032785564), (10, 2016392782), (20, 1008196391), (761, 26496620), (1522, 13248310), (3044, 6624155), (3805, 5299324), (7610, 2649662), (15220, 1324831)]