20702516

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 36920520

約数和(自身を除く): 16218004

約数列:

[1, 2, 4, 97, 194, 229, 233, 388, 458, 466, 916, 932, 22213, 22601, 44426, 45202, 53357, 88852, 90404, 106714, 213428, 5175629, 10351258, 20702516]

約数ペア:

[(1, 20702516), (2, 10351258), (4, 5175629), (97, 213428), (194, 106714), (229, 90404), (233, 88852), (388, 53357), (458, 45202), (466, 44426), (916, 22601), (932, 22213)]