20205784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61603}}^1$

素因数の和:61650

約数の個数: 16

約数和(自身を含む): 38810520

約数和(自身を除く): 18604736

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61603, 123206, 246412, 492824, 2525723, 5051446, 10102892, 20205784]

約数ペア:

[(1, 20205784), (2, 10102892), (4, 5051446), (8, 2525723), (41, 492824), (82, 246412), (164, 123206), (328, 61603)]