20294027

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 18

約数和(自身を含む): 23073372

約数和(自身を除く): 2779345

約数列:

[1, 13, 23, 169, 227, 299, 529, 2951, 3887, 5221, 6877, 38363, 67873, 89401, 120083, 882349, 1561079, 20294027]

約数ペア:

[(1, 20294027), (13, 1561079), (23, 882349), (169, 120083), (227, 89401), (299, 67873), (529, 38363), (2951, 6877), (3887, 5221)]