20157842

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{947}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 11239918

約数列:

[1, 2, 29, 58, 367, 734, 947, 1894, 10643, 21286, 27463, 54926, 347549, 695098, 10078921, 20157842]

約数ペア:

[(1, 20157842), (2, 10078921), (29, 695098), (58, 347549), (367, 54926), (734, 27463), (947, 21286), (1894, 10643)]