20126001581

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{4597}}^1$

素因数の和:5081

約数の個数: 32

約数和(自身を含む): 24408096768

約数和(自身を除く): 4282095187

約数列:

[1, 7, 23, 71, 161, 383, 497, 1633, 2681, 4597, 8809, 11431, 27193, 32179, 61663, 105731, 190351, 326387, 625439, 740117, 1760651, 2284709, 4378073, 7506901, 12324557, 40494973, 52548307, 125006221, 283464811, 875043547, 2875143083, 20126001581]

約数ペア:

[(1, 20126001581), (7, 2875143083), (23, 875043547), (71, 283464811), (161, 125006221), (383, 52548307), (497, 40494973), (1633, 12324557), (2681, 7506901), (4597, 4378073), (8809, 2284709), (11431, 1760651), (27193, 740117), (32179, 625439), (61663, 326387), (105731, 190351)]