20874964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3463}}^1$

素因数の和:3615

約数の個数: 24

約数和(自身を含む): 40154688

約数和(自身を除く): 19279724

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3463, 6028, 6926, 13852, 38093, 76186, 152372, 474431, 948862, 1897724, 5218741, 10437482, 20874964]

約数ペア:

[(1, 20874964), (2, 10437482), (4, 5218741), (11, 1897724), (22, 948862), (44, 474431), (137, 152372), (274, 76186), (548, 38093), (1507, 13852), (3014, 6926), (3463, 6028)]