20989849676

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{1249}}^1\times {\mathrm{71209}}^1$

素因数の和:72521

約数の個数: 24

約数和(自身を含む): 37385250000

約数和(自身を除く): 16395400324

約数列:

[1, 2, 4, 59, 118, 236, 1249, 2498, 4996, 71209, 73691, 142418, 147382, 284836, 294764, 4201331, 8402662, 16805324, 88940041, 177880082, 355760164, 5247462419, 10494924838, 20989849676]

約数ペア:

[(1, 20989849676), (2, 10494924838), (4, 5247462419), (59, 355760164), (118, 177880082), (236, 88940041), (1249, 16805324), (2498, 8402662), (4996, 4201331), (71209, 294764), (73691, 284836), (142418, 147382)]