20282155481

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{6397}}^1$

素因数の和:6893

約数の個数: 32

約数和(自身を含む): 24764866560

約数和(自身を除く): 4482711079

約数列:

[1, 7, 23, 47, 161, 329, 419, 1081, 2933, 6397, 7567, 9637, 19693, 44779, 67459, 137851, 147131, 300659, 452939, 1029917, 2104613, 2680343, 3170573, 6915157, 18762401, 48406099, 61647889, 125976121, 431535223, 881832847, 2897450783, 20282155481]

約数ペア:

[(1, 20282155481), (7, 2897450783), (23, 881832847), (47, 431535223), (161, 125976121), (329, 61647889), (419, 48406099), (1081, 18762401), (2933, 6915157), (6397, 3170573), (7567, 2680343), (9637, 2104613), (19693, 1029917), (44779, 452939), (67459, 300659), (137851, 147131)]