20218292

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 36154944

約数和(自身を除く): 15936652

約数列:

[1, 2, 4, 97, 107, 194, 214, 388, 428, 487, 974, 1948, 10379, 20758, 41516, 47239, 52109, 94478, 104218, 188956, 208436, 5054573, 10109146, 20218292]

約数ペア:

[(1, 20218292), (2, 10109146), (4, 5054573), (97, 208436), (107, 188956), (194, 104218), (214, 94478), (388, 52109), (428, 47239), (487, 41516), (974, 20758), (1948, 10379)]