20729204

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{479}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 37632000

約数和(自身を除く): 16902796

約数列:

[1, 2, 4, 31, 62, 124, 349, 479, 698, 958, 1396, 1916, 10819, 14849, 21638, 29698, 43276, 59396, 167171, 334342, 668684, 5182301, 10364602, 20729204]

約数ペア:

[(1, 20729204), (2, 10364602), (4, 5182301), (31, 668684), (62, 334342), (124, 167171), (349, 59396), (479, 43276), (698, 29698), (958, 21638), (1396, 14849), (1916, 10819)]