20529820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27743}}^1$

素因数の和:27789

約数の個数: 24

約数和(自身を含む): 44279424

約数和(自身を除く): 23749604

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27743, 55486, 110972, 138715, 277430, 554860, 1026491, 2052982, 4105964, 5132455, 10264910, 20529820]

約数ペア:

[(1, 20529820), (2, 10264910), (4, 5132455), (5, 4105964), (10, 2052982), (20, 1026491), (37, 554860), (74, 277430), (148, 138715), (185, 110972), (370, 55486), (740, 27743)]