20704008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66359}}^1$

素因数の和:66381

約数の個数: 32

約数和(自身を含む): 55742400

約数和(自身を除く): 35038392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66359, 132718, 199077, 265436, 398154, 530872, 796308, 862667, 1592616, 1725334, 2588001, 3450668, 5176002, 6901336, 10352004, 20704008]

約数ペア:

[(1, 20704008), (2, 10352004), (3, 6901336), (4, 5176002), (6, 3450668), (8, 2588001), (12, 1725334), (13, 1592616), (24, 862667), (26, 796308), (39, 530872), (52, 398154), (78, 265436), (104, 199077), (156, 132718), (312, 66359)]