20946607

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 4766033

約数列:

[1, 11, 19, 31, 53, 61, 209, 341, 583, 589, 671, 1007, 1159, 1643, 1891, 3233, 6479, 11077, 12749, 18073, 20801, 31217, 35563, 35929, 61427, 100223, 343387, 395219, 675697, 1102453, 1904237, 20946607]

約数ペア:

[(1, 20946607), (11, 1904237), (19, 1102453), (31, 675697), (53, 395219), (61, 343387), (209, 100223), (341, 61427), (583, 35929), (589, 35563), (671, 31217), (1007, 20801), (1159, 18073), (1643, 12749), (1891, 11077), (3233, 6479)]