20806737147

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{467}}^1\times {\mathrm{2689}}^1$

素因数の和:3432

約数の個数: 48

約数和(自身を含む): 34564907520

約数和(自身を除く): 13758170373

約数列:

[1, 3, 7, 9, 21, 63, 263, 467, 789, 1401, 1841, 2367, 2689, 3269, 4203, 5523, 8067, 9807, 16569, 18823, 24201, 29421, 56469, 122821, 169407, 368463, 707207, 859747, 1105389, 1255763, 2121621, 2579241, 3767289, 4950449, 6364863, 7737723, 8790341, 11301867, 14851347, 26371023, 44554041, 79113069, 330265669, 990797007, 2311859683, 2972391021, 6935579049, 20806737147]

約数ペア:

[(1, 20806737147), (3, 6935579049), (7, 2972391021), (9, 2311859683), (21, 990797007), (63, 330265669), (263, 79113069), (467, 44554041), (789, 26371023), (1401, 14851347), (1841, 11301867), (2367, 8790341), (2689, 7737723), (3269, 6364863), (4203, 4950449), (5523, 3767289), (8067, 2579241), (9807, 2121621), (16569, 1255763), (18823, 1105389), (24201, 859747), (29421, 707207), (56469, 368463), (122821, 169407)]