20848557

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5701}}^1$

素因数の和:5780

約数の個数: 16

約数和(自身を含む): 29559168

約数和(自身を除く): 8710611

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5701, 17103, 131123, 302153, 393369, 906459, 6949519, 20848557]

約数ペア:

[(1, 20848557), (3, 6949519), (23, 906459), (53, 393369), (69, 302153), (159, 131123), (1219, 17103), (3657, 5701)]