20896741972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1\times {\mathrm{1787}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 38929766400

約数和(自身を除く): 18033024428

約数列:

[1, 2, 4, 17, 34, 68, 383, 449, 766, 898, 1532, 1787, 1796, 3574, 6511, 7148, 7633, 13022, 15266, 26044, 30379, 30532, 60758, 121516, 171967, 343934, 684421, 687868, 802363, 1368842, 1604726, 2737684, 2923439, 3209452, 5846878, 11635157, 11693756, 13640171, 23270314, 27280342, 46540628, 54560684, 307305029, 614610058, 1229220116, 5224185493, 10448370986, 20896741972]

約数ペア:

[(1, 20896741972), (2, 10448370986), (4, 5224185493), (17, 1229220116), (34, 614610058), (68, 307305029), (383, 54560684), (449, 46540628), (766, 27280342), (898, 23270314), (1532, 13640171), (1787, 11693756), (1796, 11635157), (3574, 5846878), (6511, 3209452), (7148, 2923439), (7633, 2737684), (13022, 1604726), (15266, 1368842), (26044, 802363), (30379, 687868), (30532, 684421), (60758, 343934), (121516, 171967)]