20905298

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{1373}}^1$

素因数の和:1729

約数の個数: 16

約数和(自身を含む): 32844096

約数和(自身を除く): 11938798

約数列:

[1, 2, 23, 46, 331, 662, 1373, 2746, 7613, 15226, 31579, 63158, 454463, 908926, 10452649, 20905298]

約数ペア:

[(1, 20905298), (2, 10452649), (23, 908926), (46, 454463), (331, 63158), (662, 31579), (1373, 15226), (2746, 7613)]