20837756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{563}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 38532480

約数和(自身を除く): 17694724

約数列:

[1, 2, 4, 19, 38, 76, 487, 563, 974, 1126, 1948, 2252, 9253, 10697, 18506, 21394, 37012, 42788, 274181, 548362, 1096724, 5209439, 10418878, 20837756]

約数ペア:

[(1, 20837756), (2, 10418878), (4, 5209439), (19, 1096724), (38, 548362), (76, 274181), (487, 42788), (563, 37012), (974, 21394), (1126, 18506), (1948, 10697), (2252, 9253)]