20972042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 39043200

約数和(自身を除く): 18071158

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 829, 973, 1658, 1807, 1946, 3614, 5803, 10777, 11606, 12649, 21554, 25298, 75439, 115231, 150878, 230462, 806617, 1498003, 1613234, 2996006, 10486021, 20972042]

約数ペア:

[(1, 20972042), (2, 10486021), (7, 2996006), (13, 1613234), (14, 1498003), (26, 806617), (91, 230462), (139, 150878), (182, 115231), (278, 75439), (829, 25298), (973, 21554), (1658, 12649), (1807, 11606), (1946, 10777), (3614, 5803)]