20971572

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16333}}^1$

素因数の和:16447

約数の個数: 24

約数和(自身を含む): 49394016

約数和(自身を除く): 28422444

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16333, 32666, 48999, 65332, 97998, 195996, 1747631, 3495262, 5242893, 6990524, 10485786, 20971572]

約数ペア:

[(1, 20971572), (2, 10485786), (3, 6990524), (4, 5242893), (6, 3495262), (12, 1747631), (107, 195996), (214, 97998), (321, 65332), (428, 48999), (642, 32666), (1284, 16333)]