20915834

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{773}}^1$

素因数の和:1021

約数の個数: 16

約数和(自身を含む): 31987872

約数和(自身を除く): 11072038

約数列:

[1, 2, 83, 163, 166, 326, 773, 1546, 13529, 27058, 64159, 125999, 128318, 251998, 10457917, 20915834]

約数ペア:

[(1, 20915834), (2, 10457917), (83, 251998), (163, 128318), (166, 125999), (326, 64159), (773, 27058), (1546, 13529)]