20870674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{977}}^1$

素因数の和:1961

約数の個数: 16

約数和(自身を含む): 34222176

約数和(自身を除く): 13351502

約数列:

[1, 2, 11, 22, 971, 977, 1942, 1954, 10681, 10747, 21362, 21494, 948667, 1897334, 10435337, 20870674]

約数ペア:

[(1, 20870674), (2, 10435337), (11, 1897334), (22, 948667), (971, 21494), (977, 21362), (1942, 10747), (1954, 10681)]