20154836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12503}}^1$

素因数の和:12551

約数の個数: 24

約数和(自身を含む): 39212544

約数和(自身を除く): 19057708

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12503, 25006, 50012, 162539, 325078, 387593, 650156, 775186, 1550372, 5038709, 10077418, 20154836]

約数ペア:

[(1, 20154836), (2, 10077418), (4, 5038709), (13, 1550372), (26, 775186), (31, 650156), (52, 387593), (62, 325078), (124, 162539), (403, 50012), (806, 25006), (1612, 12503)]