20707876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23857}}^1$

素因数の和:23899

約数の個数: 24

約数和(自身を含む): 42753536

約数和(自身を除く): 22045660

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23857, 47714, 95428, 166999, 333998, 667996, 739567, 1479134, 2958268, 5176969, 10353938, 20707876]

約数ペア:

[(1, 20707876), (2, 10353938), (4, 5176969), (7, 2958268), (14, 1479134), (28, 739567), (31, 667996), (62, 333998), (124, 166999), (217, 95428), (434, 47714), (868, 23857)]