20972402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23251}}^1$

素因数の和:23305

約数の個数: 16

約数和(自身を含む): 35157024

約数和(自身を除く): 14184622

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23251, 46502, 255761, 511522, 953291, 1906582, 10486201, 20972402]

約数ペア:

[(1, 20972402), (2, 10486201), (11, 1906582), (22, 953291), (41, 511522), (82, 255761), (451, 46502), (902, 23251)]