20177992888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61518271}}^1$

素因数の和:61518318

約数の個数: 16

約数和(自身を含む): 38756511360

約数和(自身を除く): 18578518472

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61518271, 123036542, 246073084, 492146168, 2522249111, 5044498222, 10088996444, 20177992888]

約数ペア:

[(1, 20177992888), (2, 10088996444), (4, 5044498222), (8, 2522249111), (41, 492146168), (82, 246073084), (164, 123036542), (328, 61518271)]