20468272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6841}}^1$

素因数の和:6877

約数の個数: 40

約数和(自身を含む): 45814032

約数和(自身を除く): 25345760

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6841, 13682, 27364, 54728, 75251, 109456, 116297, 150502, 232594, 301004, 465188, 602008, 930376, 1204016, 1279267, 1860752, 2558534, 5117068, 10234136, 20468272]

約数ペア:

[(1, 20468272), (2, 10234136), (4, 5117068), (8, 2558534), (11, 1860752), (16, 1279267), (17, 1204016), (22, 930376), (34, 602008), (44, 465188), (68, 301004), (88, 232594), (136, 150502), (176, 116297), (187, 109456), (272, 75251), (374, 54728), (748, 27364), (1496, 13682), (2992, 6841)]