20562087

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 34101760

約数和(自身を除く): 13539673

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 691, 763, 1417, 2073, 2289, 4251, 4837, 8983, 9919, 14511, 26949, 29757, 62881, 75319, 188643, 225957, 527233, 979147, 1581699, 2937441, 6854029, 20562087]

約数ペア:

[(1, 20562087), (3, 6854029), (7, 2937441), (13, 1581699), (21, 979147), (39, 527233), (91, 225957), (109, 188643), (273, 75319), (327, 62881), (691, 29757), (763, 26949), (1417, 14511), (2073, 9919), (2289, 8983), (4251, 4837)]