20206459

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{953}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 4795973

約数列:

[1, 7, 13, 91, 233, 953, 1631, 3029, 6671, 12389, 21203, 86723, 222049, 1554343, 2886637, 20206459]

約数ペア:

[(1, 20206459), (7, 2886637), (13, 1554343), (91, 222049), (233, 86723), (953, 21203), (1631, 12389), (3029, 6671)]