20781514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47017}}^1$

素因数の和:47049

約数の個数: 16

約数和(自身を含む): 35545608

約数和(自身を除く): 14764094

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47017, 94034, 611221, 799289, 1222442, 1598578, 10390757, 20781514]

約数ペア:

[(1, 20781514), (2, 10390757), (13, 1598578), (17, 1222442), (26, 799289), (34, 611221), (221, 94034), (442, 47017)]