20201516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 36750000

約数和(自身を除く): 16548484

約数列:

[1, 2, 4, 29, 58, 116, 349, 499, 698, 998, 1396, 1996, 10121, 14471, 20242, 28942, 40484, 57884, 174151, 348302, 696604, 5050379, 10100758, 20201516]

約数ペア:

[(1, 20201516), (2, 10100758), (4, 5050379), (29, 696604), (58, 348302), (116, 174151), (349, 57884), (499, 40484), (698, 28942), (998, 20242), (1396, 14471), (1996, 10121)]