20681776

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17707}}^1$

素因数の和:17788

約数の個数: 20

約数和(自身を含む): 40622152

約数和(自身を除く): 19940376

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17707, 35414, 70828, 141656, 283312, 1292611, 2585222, 5170444, 10340888, 20681776]

約数ペア:

[(1, 20681776), (2, 10340888), (4, 5170444), (8, 2585222), (16, 1292611), (73, 283312), (146, 141656), (292, 70828), (584, 35414), (1168, 17707)]