20519996

素因数分解:

$2^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{953}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 41136480

約数和(自身を除く): 20616484

約数列:

[1, 2, 4, 7, 14, 28, 769, 953, 1538, 1906, 3076, 3812, 5383, 6671, 10766, 13342, 21532, 26684, 732857, 1465714, 2931428, 5129999, 10259998, 20519996]

約数ペア:

[(1, 20519996), (2, 10259998), (4, 5129999), (7, 2931428), (14, 1465714), (28, 732857), (769, 26684), (953, 21532), (1538, 13342), (1906, 10766), (3076, 6671), (3812, 5383)]