20868188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10091}}^1$

素因数の和:10153

約数の個数: 24

約数和(自身を含む): 40690944

約数和(自身を除く): 19822756

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10091, 20182, 40364, 111001, 222002, 444004, 474277, 948554, 1897108, 5217047, 10434094, 20868188]

約数ペア:

[(1, 20868188), (2, 10434094), (4, 5217047), (11, 1897108), (22, 948554), (44, 474277), (47, 444004), (94, 222002), (188, 111001), (517, 40364), (1034, 20182), (2068, 10091)]